题目内容
A good idea ________ to him, and he knew ________ to do next.
[ ]
A.happened, what
B.appeared, how
C.occurred, what
D.arrived, how
答案:C
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题目内容
A good idea ________ to him, and he knew ________ to do next.
A.happened, what
B.appeared, how
C.occurred, what
D.arrived, how