单项选择题

It is strongly advised that you check that you have all your essential documents in a briefcase ______ you set out on an international trip.

A. upon
B. before
C. beside
D. next to
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单项选择题
At this year’s orientation session, the general manager ______ took the time to personally welcome all new recruits in her usual, affable manner.
A. she
B. her
C. hers
D. herself
单项选择题
A new health report today warned of the ______ tendency for newly qualified doctors to refuse practices in the country.
A. worry
B. worried
C. worries
D. worrying
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