单项选择题

Living in the northern part of the country has its problems, ______ obtaining fresh water is not the least.

A. with which
B. for which
C. of which
D. which
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单项选择题
Joseph was very lucky ______ with his wife; he almost did not get out of the room.
A. to escape
B. to have escaped
C. to escaping
D. to be escaping
单项选择题
For all the latest pop music, tune ______ your favorite radio station.
A. on at
B. in to
C. up with
D. along for
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