A. hasB. wasC. haveD. wereOnly twenty percent of the wo……

单项选择题—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job — () my students have a try

A. Shall
B. Must
C. Will
D. May

单项选择题—Will you be able to finish the job this week —______.

单项选择题I think you've got to the point ______ a change is needed, otherwise you'll fail.

单项选择题—What was your impression of last nights lecture —Speaking () , I thought it was rather boring.

A. very
B. honest
C. really
D. honestly

单项选择题Now that we () all the money, it's no use turning on me and saying it's all my fault.

A. had lost
B. lost
C. have lost
D. lose