1.A

2.A

3.A

4.B

5.D

have had

C

Her students sang and told stories in English at the last night's party.

noisier >< quieter 

more exciting >< more boring

1.three interesting films today.

2.cartoon the best.

3.help us to do homework.

4.we don't use less paper, we won't save many trees.

5. the car all the time, we make the air dirty.

B

A

A

D

B

nãy mk làm r mà =(

=)?

45.B

46.A

47.A

48.D

49.B

I will phone you on Friday afternoon.