题目内容
The thought of going back home was ________ kept him happy while he was working abroad.
[ ]
A.that
B.all that
C.all what
D.which
答案:B
解析:
解析:
|
all作先行词,关系代词只能用that.若选A项应改为what;若选C项,应去掉all;D项很明显不对。 |
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