单项选择题

Once the problem of the engine ______, all other problems will be readily solved.

A．solve
B．solved
C．is solved
D．will be solved
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单项选择题
Tom and Lily have arrived, but______ students of the class are not here yet.
A．other
B．others
C．the other
D．the others
单项选择题
If the design was wrong, the project is bound to fail,______good all the other ideas might be.
A．whatever
B．however
C．whatsoever
D．even
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