题目内容
It is ________ must for you to put ________ end to those bad habits if you are to be promoted．
[ ]
A．a;/
B．the; the
C．a; an
D．/; an
答案：C
提示：
提示：
|
句中的must是名词，意为“必须做的事”。put an end意为“使……结束”。 |
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