单项选择题

He ______ the 9:00 train because he didn't leave home until 9:10.

A. couldn't have caught
B. shouldn't have caught
C. ought to have caught
D. must not have caught
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I haven't many specimens but I will send you ______ I have.
A. such that
B. so as
C. such as
D. as such
单项选择题
Every child under 16 in this country has to attend school because education is ______.
A. compulsive
B. compulsory
C. compulsion
D. compulsing
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