--- I was lucky to win a gold medal in the 800-meter-race. --- You __________ through tough training.
#63221
A
must go
B
should go
C
must have gone
D
should have gone
推荐题目
The problem is too difficult for him. He _______ solve it by himself without any help.
#76048
A
can't
B
mustn't
C
shouldn't
D
needn't
Sometimes smiles ______ be false, hiding other feelings like anger, fear or worry.
#75492
A
must
B
can
C
should
D
would
The weather turned out to be fine yesterday. I ________the trouble to carry my umbrella with me.
#63252
A
should have taken
B
could have taken
C
mustn't have taken
D
needn't have taken