--- How did you like the concert last night? --- I enjoyed it very much, but the dancers ______ a better job.
#87729
A
could have done
B
couldn’t have done
C
could do
D
had done
推荐题目
Look at the trouble I am in! If only I ______ your advice.
#86926
A
followed
B
would follow
C
had followed
D
should follow
— Why! I _____ get you on the phone. — We ______ basketball on the playground when you phoned. 
#89278
A
didn't; must be playing
B
couldn't; must be playing
C
couldn't; must have played
D
didn't; must have been playing