—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?
#89494
A
Shall
B
Will
C
Could
D
Should
推荐题目
It is hard for me to imagine what I would be doing today if I ________ in love，at the age of seven，with the Melinda Cox Library in my hometown.
#86625
A
wouldn't have fallen
B
had not fallen
C
should fall
D
were to fall
—Where are the children? The dinner’s going to be completely ruined.—I wish they ________ always late.
#87087
A
weren’t
B
hadn’t been
C
wouldn’t be
D
wouldn’t have been
—_____ he start at once or wait for a while?—Let him start at once.
#90063
A
Will
B
Would
C
Does
D
Shall
It’ s suggested by experts that teenagers ____at least 30 minutes exercising, five times a week.
#87174
A
spend
B
to spend
C
spent
D
have spent