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3 tháng 5 2021

31 There are 4 kinds of pollution

32 It is called air pollution

33 It is unwanted light, such as the light of cities, street lights, and others make it hard to see the stars

34 It is called noise pollution

35 It is water called water pollution

4 tháng 9 2021

1 A

2 B

3 B

4 A

5 C

6 C

7 A

8 D

9 C

10 C

1. They have turned(down/ up) Jim's application for the job.
2. You may have to deal( with/ about) any problem in the workplace.
3. Small birds mainly live (on/off) insects.
4. When does the plane take( off/ up)?
5. Why did you decide to take( on/ up) skiing?
6 Remember to warm(up/down) carefully before you play sports.
7. There’s no need to dress( up/ down). It is just an informal party.
8. Oops, I think we're run out(of/ on) petrol.
9. Jim seems not to get( on/ off) well with his classmates.
10. My husband has decided to set ( up/ down) a business on his own.

13 tháng 9 2021

1D

2 D

3 C

4 B

5 B

6 C

7 A

8 C

 

13 tháng 9 2021

1 to be promoted

2 to go

3 to be delivered

4 to divide

5 to be invited

6 to say

7 was watched

8 being laughed

9 have been planted

10 was built

11 is being repaired

12 were waken

13 can be prevented

14 were invented

15 were destroyed

16 was discovered

17 had been finished

18 be opened

19 to rebuild

20 be made

21 is thought

16 tháng 8 2021

8.D

10.A

11.D

13.B

16 tháng 8 2021

1a  2a  3d  4b 5a  6d  7c  8b

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30 tháng 9 2021

1 T

2 F

3 T

4 T

5 F

6 T

7 F

30 tháng 9 2021

1 C

2 A

3 D

4 C

5 B

6 D

7 D

8 D