Because of the poor harvest, wheat prices have _____ in the last six months.
A.added | B.jumped | C.amounted | D.developed |
20. In the past ten years, great changes _______ in my hometown.
A.took place | B.have taken place |
C.were taken place | D.have been taken place |
21. The third and last chapter _______ by Professor Chen.
A.are written | B.are writing | C.is written | D.is writing |
22. --- No, I’m afraid he isn’t in. This is his secretary speaking. Can I help you?
--- _______.
A.Oh, you will | B.Oh, that’s a pity |
C.I should think so | D.Well, I look forward to hearing from you |
23. _______ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
A.Would | B.Should | C.Can | D.Must |
24. The car ran into a crowd of middle school students, _______ to hospital immediately.
A.two of whom sent | B.two of them sent |
C.two of whom are sent | D.two of them sending |