求英语正解，拜托。

16. –Good morning. I’ve got an appointment with Miss Smith in the Personnel Department. --Ah, good morning. You ______ be Mrs. Peters.
A. might B. must C. would D. can
17. Mrs. Tayor has _____ 8-year-old daughter who has _____ gift for painting.
A. a; a B. an; the C. an; a D. the; a
18. Don’t worry. It will not long _____ we understand what they mean to do.
A. since B. when C. that D. before
19. People were more honest a long time ago when life was different from _____ it is today.
A. that B. that what C. which D. what
20. _____ she couldn’t understand was _____ fewer and fewer students showed interest in her lessons.
A. What; why B. That; what C.What; because D. Why; that
21. _____ is well-known that London will hold the next Olympics.
A. What B. It C. That D. When
22. After a whole day of hard work, all _____ was a nice meal and a good rest.
A. what he wanted B. which he wanted C. that he wanted D. the things he wanted
23. I work in the school ______ my father used to study.
A. that B. in which C. which D. what
24. He couldn’t ______ the fact that money was found in his house.
A. answer for B. depend on C. account for D. care for
25. We don’t know which side we should stand on if a quarrel _______ between them.
A. is broken out B. broke out C. breaks out D. will break out
26. The question which was put forward by Tony made the teacher ______.
A. puzzling B. puzzled C. was puzzled D. was puzzling
27. I prefer cooking with olive oil _____ butter.
A. rather than B. so long as C. ahead of D. more than
28. Some measures have been _____ to stop the matter from getting worse.
A. made B. taken C. got D. given
29 You _____ be hungry already—you had lunch only two hours ago!
A. wouldn’t B. can’t C. mustn’t D. needn’t
30. She is dear to us. We will do _____ it will take to save her.
A. what B. which C. that D. how