问题
The expression on his face suggests he ________ have failed in the competition.—I guess so. It’s not easy after all.
A:should
B:could
C:must
D:might
B:could
C:must
D:might
正确答案是：
同类题型
_____ is reported in the newspaper that talksbetween the two countries are making progress
red at the painting, wondering where she it
I ______ in Hangzhou for many years, but now I live in Beijing
_______ –I like tennis and volleyball best
weight may not be just about what you eatwhenyou eat it, according to a new study．