单项选择题

—- Why can't I smoke here
— At no time ______ in the meeting-room.

A) is smoking permitted
B) smoking is permitted
C) smoking is it permitted
D) does smoking permit
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单项选择题
This is the first time that Mr. Smith ______ felt relaxed for months since he has been in business.
A) has
B) has been
C) had
D) had been
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