单项选择题

As it turned out to be a small house party, we ______ so formally.

A. need not have dressed up
B. must not have dressed up
C. did not need to dress up

D. must not dress up
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单项选择题
It is vital that enough money ______ to fund the project.
A. be collected


B. must be collected
C. is collected


D. can be collected
单项选择题
What ______ suppose would happen if the director knew you felt that way
A. will you
B. do you
C. would you
D. you would
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