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The national exam is approaching; it is high time that we should _____ our studies.

A. get back for
B. get into
C. get down to
D. get through
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科目：高中英語 來源：同步題 題型：單選題

The national exam is approaching; it is high time that we should _____ our studies.
[     ]
A. get back for
B. get into
C. get down to
D. get through

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