V. Fill in each gap of the following sentences with a suitable preposition.

21. Who is that girl over there __________ the red dress?

22. Can you help me __________ the cleaning?

23. In a game of singles, two players play _______ each other.

24. His parents are very strict ______ him.

25. Many people take part _______ jogging every morning.

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IV. Give the correct form of the words in brackets.

17. What do ________________ often do in their free time? (TEEN)

18. Television is one of the most popular means of ________________ (ENTERTAIN)

19. Do you know the name of our new ________________? (CLASS)

20. The children are all _____________ about going to the circus tonight. (EXCITE)

Ex1: Put the verbs in brackets into the correct tense or form.

1/ My mother (cook) ___________ some food in the kitchen at present. She always (cook) __________ in the mornings.

2/ It (not, rain) __________ very much in the winter. It (not, rain) _________ now.

3/ The guests (watch) __________ the TV programmes now.

4/ Children ___________ (sleep) at present?

5/ The sun (set)___________   in the west.

6/ When we (meet) ____________ again?

- We (meet) __________ again when I (return) ____________   from Australia.

7/ He (be) ______________ busy at the moment. But he (come) ________ to give you a helping hand as soon as he (finish) ____________ his work.

8/ I (do) __________ an exercise on the present tense at the moment and I (think) __________ that I (know) __________ how to use it now.

9/ Honesty (be) __________ the best policy.

10/ The earth (go) __________ round the sun?

11. He (be) ………. a newspaper reporter in 2020.

12. You (feel) …………. a little better yesterday?

13. The teacher (give, already) ………. a quiz?

14. The anthropologist (leave) ………… the village since she (collect) …………. enough data.

15. I (not, work) ……………for the bank for three years.

16. So far, I was young I (meet)…………. him three times

17. However, I (have)……………………. no trouble with my car since then.

18. I (move)……………… to HN in 2001. I (live) …………. there a long time now

19. We (live)………………….in HN for ten years now and like it a lot.

20…………… (you/ ever/ be) ………………… to Ho Chi Minh yet?

-Yes, I (be) ………. The last time I (go) ……………………to HCM was in May.

II.        Choose the word that has the underlined part pronounced differently from the rest.

1.         a. natural        b. solar           c. planet         d. fact

2.         a. window      b. show           c. grow           d. allow

3.         a. think           b. bath                        c. clothes       d. through

4.         a. pollute        b. reduce        c. reuse           d. future

5.         a. laundry      b. draw           c. water          d. laugh

III.      Circle the odd one out.                  

1.         a. palace         b. skyscraper             c. UFO                        d. houseboat

2.         a. reduce        b. replace                   c. reuse                       d. recycle

3.         a. wireless      b. creative                  c. heavy                     d. laundry

4.         a. might          b. help                                    c. water                      d. guard

5.         a. rubbish       b. litter                                   c. fridge          d. trash

IV.      Choose the correct answer a, b, c, or d.

1.         In the future, many cars will run ________ electricity, which doesn’t cause air pollution.

            a. in                 b.on                            c. by                d.with

2.         You should turn the tap ________ when you brush your teeth to save water.

            a. up                b.down                       c. on                d.off

3.         You should donate your old clothes, toys and furniture to people in ________.

            a. order           b.fact                          c. need                        d.case

4.         ________ robots can help to teach children in the classroom, they will never replace teachers.

            a. When          b. Although   c. Because     d. If

5.         ________ robots be able to feel and behave like us?

            a. Will                        b.Can              c. Do               d. Are

6.         There are lots of ________ problems nowadays, mainly because of pollution.

            a. natural        b.social          c. practical     d.environmental

7.         In the future, we ________ go on holiday to the Moon or other planets.

            a. could          b.must                        c. might          d. should

8.         Robots make car manufacturing ________ because they can take on dangerous jobs in place of humans.

            a. stronger      b.safer                        c. larger          d. heavier

9.         To ________ waste we should avoid buying products with a lot of packaging.

            a. recycle       b.reuse           c. reduce        d. remake

10.       ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’

            a. Not at all.   b. Sure.           c. Sounds great!        d. I think so.

V.        Put the verbs in brackets into the correct tense or form.

1.         If we __________ (not stop) cutting down so many trees, we’ll endanger our oxygen supply.

2.         Last year Mr. Johnson _____________ (teach) us Robotics.

3.         My sister is really busy – she _____________ (study) for the exam.

4. In the future, robots _____________ (do) things that people can’t do or don’t want to do.

5.         Mark _____________ (be) to Sa Pa twice. The first time _____________ (be) more than ten years ago.

6.         How often _____________ (you/ do) household chores? ~ Every day.

7.         Twenty years ago, most people around the world _________ (not know) what the Internet was.

8.         If we dump all sorts of chemicals into rivers, we _____________ (not be able to) swim in them in the future.

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