单项选择题

Only when we have weighted all the factors involved ______ decide when would be the best time to start.

A．did we
B．we did
C．can we
D．we can
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单项选择题
______ , she will have my unswerving support.
A．Was she right or wrong
B．Whether right or wrong
C．Were she right or wrong
D．Be she right or wrong
单项选择题
You can't help but hear commercials; every few minutes the program is interrupted to give you one advertising ______.
A．so on and so forth
B．more or less
C．something or other
D．sooner or later
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