单项选择题

Please stop complaining （）the problem and start looking for solutions

A. for
B. at
C. about
D. 什么都不填

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Pam works in a company but her dream is （）a successful business owner

A. being
B. to be
C. to being
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If you （）see Chris while you're there, tell him I say hi

A. hope to
B. tend to
C. are ready to
D. happen to

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