It’s time that you_____with the relief work in the flood-stricken area after the awful typhoon.
#86767
A
must help
B
can help
C
helped
D
have helped
推荐题目
.He has just arrived, but he talks as if he _____ all about that.
#89368
A
know      
B
knows
C
known     
D
knew
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
#87546
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile
One thing’s for sure, the fire _____by some cigarette butts. 
#88084
A
might cause
B
could have caused
C
must have been caused
D
should be caused
—It’s many years since I saw you last; I        you at all. —I wouldn’t have, either; if someone       you by the name.
#87318
A
didn’t recognize; hadn’t called
B
didn’t recognize; didn’t call
C
haven’t recognized; didn’t call
D
recognized; hag called