单项选择题

______ you have any questions or needs, please contact the manager after 5:00 p.m. on weekdays.

A．Because
B．Where
C．If
D．Though
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单项选择题
The proposal ______, we'll have to make another decision about when to start the project.
A．accepted
B．accepting
C．to accept
D．be accepted
单项选择题
He is used to flying by air and on no occasion ______ frightened．
A．hehas everfeIt
B．he everfeels
C．everdoeshefeel
D．hashe everfelt
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