题目内容
13.I don't know what illness he suffered from, but I do remember he mentioned ________ in hospital last year.
|
A. to have been |
B. to be |
C. having been |
D. be |
答案:C
提示:
提示:
题目考察及物动词mention的用法——后必须接宾语,所以动词应用动名词形式
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