题目内容
The other day my brother drove his car down the street at ________ I thought was a dangerous speed.
[ ]
A.as
B.which
C.what
D.that
答案:C
提示:
提示:
|
what在此引导的名词性从句作介词at的宾语,同时what在从句中作主语,I thought为插入语。其他三项皆无此用法。 |
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