—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?
#86806
A
Shall
B
Must
C
Will
D
May
推荐题目
Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow. 
#89466
A
needn't have driven;through
B
can't have driven;across
C
mustn't have driven;through
D
shouldn't have driven;cross
If only I_____how to operate a computer as you do! 
#89926
A
had known
B
wou欤?know
C
should know
D
knew
It is recommended by the representatives that traditional cultures _____
#86825
A
should preserve
B
have been preserved
C
be preserved
D
must be preserved
_______ we _______ the new policy for economy, we would never have bought the house.
#87167
A
If ; predicted
B
Did; predict
C
If; have predicted
D
Had; predicted