问题

How did you like the concert last night? — I enjoyed it very much, but the dancers ______ a better job.
A:could have done
B:couldn’t have done
C:could do
D:had done
B:couldn’t have done
C:could do
D:had done
正确答案是:
同类题型
The little chick _____ the earthworm, deciding whether to swallow it or let it go.[ ]
The unemployment rate in this district from 6% to 5% in the past two years
He walked such a long way just to tell us the result.——Oh, he needn’t come ________.
It_____ have been Tom that parked the car here, as he is the only one with a car.
ecial school accepts all disabled students, __ educationallevel and background.