题目内容
how to do the homework, I went to ask my teacher for help.
| A.Not to know | B.Not knowing | C.Knowing not | D.Not known |
B
考查非谓语动词。分词的否定式应在其前面加not,主语I 与动词know 之间是主动关系,所以用现在分词。故选B。
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