二、单项选择（15分）
21. --- _______ useful machine the computer is!
--- I agree. It’s ________ interesting as well.
A. What a; / B. How a; the C. What an; / D. How an; the
22. --- What an amazing performance ! It’s the most interesting magic show I’ve ever seen.
--- But I’m afraid it won’t interest _________.
A. somebody B. anybody C. nobody D. everybody
23. _____ of them knows French, so I have to ask a fourth person for help.
A. Neither B. Either C. Both D. None
24. ---Do you know _____ back tomorrow?
---Sorry, I don’t know. When he _____ back, I’ll tell you.
A. when does he come, comes B. when he comes, will come
C. when he will come, comes D. when will he come, will come
