单项选择题

He ______ have been nervous because he didn't go straight in.

A. ought to
B. must
C. should
D. had to
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单项选择题
In ancient times people who were thought to have the ability to ______ dreams were likely to be highly respected.
A. impart
B. inherit
C. interpret
D. intervene
单项选择题
I really do not know whether we can succeed, so do not expect ______.
A. too much of us
B. us too much
C. of us too much
D. us of too much
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