28. As we joined the big crowd, I got ____from my friends.

　　 A. separated　　 B. divided　　 C. lost　　 D. missed

27.　　　 　his number yesterday, I would have told you.

　 　A. If I know　 B. If I would know　　 C. I had known　　 D. Had I known　　　　　

26. ---I didn’t do well in the exam. How about you?

--- I did ______ you.

A. not better than　　　 B. no worse than　　　 C. as well as　 D. no better than

25. Leaves are to the plant ______ lungs are to the animal.

　 　A. that is　　　　　　　　　　　 B. that　　　　　　　　　　　　　 C. what　　　　　　　　　　　　 D. which

24. Can you _____ him _____ first aid correctly?

A. have; to do　　　 B. get; to do　　 C. keep; giving　　 D. make; offering

23. ______ into many languages, the story is well known all over the world now.

A. Being translated　　　　　　　　　 B. Having translated

C. To be translated　　　　　　　　　 D. Having been translated

22. In the first half of 2002, the number of people with AID or ______with the HIV virus in China was reported to be 1 million.

　 　　 A. infected　　　　　　　　　 B. infecting　　　　　　　　　 C. were infected　　　　　　 D. to be infected

21. The boy dived into the water and after _______ seemed to be a long time, he came up again.

A. what　　　　 B. that　　　　 C. it　　　 D. which