问题
选择题
The students were told to _____ their English before going abroad.
A．give up
B．polish up
C．use up
D．end up
答案
答案：B
短语辨析。 A. 放弃 B. 润色 提高 C. 用完；耗尽 D. 结束；死亡。句意：这些学生被告知在出国之前先提高英语水平。故选B。
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