A penguin is a black and white bird.

1.easier

2.more useful

3.the driest

4.the most difficult

5.better

6.stronger

7.the cleverest

8.the oldest

9.more important

10.narrower

11.the most famous

12.the best

13.more expensive

14.elder

15.the 2nd largest 

16.more

17.further

18.more boring

19.thinner

20.wider

were nha

Although Tom was a poor student,but he studies very well.

There aren't any factory in this city.

1.My daughter isn't old enough to stay at home alone

2 He is aware that he has to work harder for the coming exam

3 It is very kind of you to make friend with me

4  Will the solar panels be putting on our house's roof this time tomorrow morning?

5 He stopped checking the attendance as his students wre hard-working

Linda can't go to school because she has a fever.

12.B

93.out

94.about

My children are interested in comics very much.