单项选择题

The government placed _________ on the numbers of foreign cars that could be imported.

A．limitations
B．restraint
C．requirements
D．restrictions
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You will be late _________ you leave immediately.
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B．until
C．if
D．or
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The interviewer should take down notes at the moment the person _________ answers the questions.
A．to be interviewed
B．interviewing
C．being interviewed
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