问题

Who has made a mess in my room?—Who elseit but your naughty son?
A:could do
B:could have done
C:did
D:has done
B:could have done
C:did
D:has done
正确答案是:
同类题型
The girl _______ a green coat looks more elegant than her companion.
have something to eat, Mum I feelhungry– You ____ be hungry You’ve just had somebread and ham
To his great excitement, the day he looked forward to _______ at last!
So tired __________ after walkingsuch a long way that I ___________ stand