题目内容
The poor child stood there, and ________ what to do, turned to his father for help.
[ ]
A.not knowing
B.not knew
C.not to know
D.not know
答案:A
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题目内容
The poor child stood there, and ________ what to do, turned to his father for help.
A.not knowing
B.not knew
C.not to know
D.not know