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【单选题】

Why not ______ your teacher for advice when you don’t know ______ the problems?

A.
ask; what to do with
B.
to ask; how to deal with
C.
ask; what to deal with
D.
to ask; how to do with
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参考解析:
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举一反三

【单选题】A tsunami (海啸) _____ in some southern Asian countries in December, 2004. _____ homeless people had to stay in the open air. [ ]

A.
has happened; Thousands of
B.
happened; Thousands of
C.
has happened; About twelve thousand of
D.
happened; Twelve thousands