30.-It’s late. I must leave now.

-OK.　　

A. Thank you　　 B. Take care.　　 C. I’m sorry for it.　　 D. Don’t worry.

29. It was in the museum　　 I came across my best friend.

A. where　　 B. which　　 C. that　　 D. when

28. He was too tired and fell asleep with a book　　 open on his knee.

A. laying　　 B. lying　　 C. laid　　 D. lain

27. They were playing in the garden　　 they heard a scream. www.ks@

A. while　　 B. as　　 C. when　　 D. until

26. He went there,　　 some books in a bookshop and called on an old friend of his.

A. to buy　　 B. buy　　 C. buying　　 D. bought

25.-Susan, you will come and watch TV, won’t you?

-　　 . I prefer reading to　　 television.

A. No;watching　　 B. Yes,watch　　 C. Yes;watching　　 D. No;watch

24. Helen　　 go on the trip with us, but she isn’t quite sure yet.

A. shall　　 B. must　　 C. may　　 D. can

23. Every possible means 　　to work out the problem, but it is too difficult for us.

A. hunting for　 B. carrying on　　 C. looking after　　 D. bringing up