单项选择题

______for your help, we' d never have been able to get over the difficulties.

A．Had it not
B．If it were not
C．Had it not been
D．If we had not been
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单项选择题
She was trying______ by the teacher in class.
A．avoiding questioning
B．avoiding to question
C．to avoid being questioned
D．to avoid questioning
单项选择题
After ______for the job, you will be required to take a language test.
A．being interviewed
B．interviewed
C．interviewing
D．having interviewed
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