题目内容
-Excuse me, Jim I can't find my ruler. Can you see it? -I'm sorry I ________.
[ ]
A.can
B.am not
C.can't
D.not can
答案:C
解析:
解析:
|
can是情态动词,它是助动词的一种,所以可以直接加not而不需要加be动词am.而can not可以略写为can't.所以,应选择C. |
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