50.　 Many of the stars 　　　　because they are far away from us.

A. may not see　　　　　　　　　　　　　　　　　　　 B. can not be seen

C. mustn’t be seen　　　　　　　　　　　　　 D. needn’t see

49.　 Do you know 　　　?

A if it will be fine tomorrow　　　　　　　 B. where did they see her

C. when shall we have a picnic　　　　 D. lived in the town

48.　 -How long have you 　　　?

-Since 1990.

A. bought the MP3　　　　　　　　　　　　　 B. joined the Party

C. become a midfield player　　　　　　 D. lived in the town

47.　 The sick woman is 　　　　weak 　　　　look after herself.

A. too; to　　　　　　　 B. so; that　　　　　　 C. very; to　　　 D. so; to

46.　 Please don’t leave until your teacher 　　　　back.

A. will come　　　　　 B. came　　　　　　　 C. comes　　　　 D. is coming

45.　 The doctor asked my father to 　　　　smoking to keep healthy.

A. open up　　　　　　 B. give up　　　　　　 C. put up　　　 D. make up

44.　 -　　　 　will the foreign students be back from Qufu?

-In two days, I think.

A. How soon　　　　 B. How often　　　　 C. How far　　　　　 D. How fast

43.　 My aunt played the light music to make the baby 　　　　crying.

A. stopped　　　　　　 B. stops　　　　　　　 C. to stop　　　 D. stop

42.　 -Sorry, I’m late.

-　　　 　doesn’t matter this time.

A. This 　　　　　　　　 B. That　　　　　　　　 C. It　　　　　　　　 D. One

41.　 -How long is the new bridge? Do you know?

-Yes. It’s about 　　　.

A. one thousand on hundred and eighty meters

B. one thousand and one hundred fifty meters

C. two thousands one hundred forty meters

D. two thousands seventy and three meters