题目内容
从所给的四个选项中选择最佳答案
There must be ______ for what he's doing.
[ ]
A
.the reason B.certain reason C.some reason D.reason
答案:C
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题目内容
从所给的四个选项中选择最佳答案
There must be ______ for what he's doing.
[ ]
A
.the reason B.certain reason C.some reason D.reason