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:
解析:
解析:
|
what 在此引导宾语从句,相当于the speed that,起着两个句子成分的作用:一个作介词at的宾语,二是定语从句中的主语;which只能作定语从句的主语,使得整个句子结构不完整。 |
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