单项选择题

______ the flight is canceled, the seminar will have to be postponed.

A． While
B． if
C． Although
D． Besides
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______ saving money, you will purchase a reliable product.
A． With
B． So
C． Besides
D． Consequently
单项选择题
Have Ms. Alva ______a press release immediately.
A． writes
B． to write
C． writing
D． write
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