—What's the matter with the man hanging his head there?—Well，if you ________ know, he was caught stealing my bike.
#87063
A
must
B
may
C
can
D
shall
推荐题目
Tom always feels it necessary that he ________English.
#87314
A
learns
B
would have learned
C
learn
D
were to learn
Should the present unemployment continue, the society________a more troublesome situation.
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A
would have faced
B
would face
C
is facing
D
has faced
I enjoyed the movie very much. I wish I ______ the book from which it was made.
#88339
A
have read
B
had read
C
should have read
D
am reading