问题

___ it on schedule, but somehow he fell behind.
A:must have done
B:might finish
C:could have finished
D:could finish
B:might finish
C:could have finished
D:could finish
正确答案是:
同类题型
26There was no doubt ____ it was in the supermarket _____ I lost my wallet yesterday
How would you like your coffee, sir —________. It’s my favourite.
The teacher spoke loud and clearly enough to make himself ________ by all his students.
Jenny, you can’t depend your parents forever. You should learn to look after yourself.