问题补充:
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
答案:
A. Not to know
(答案→)B. Not knowing
C. Knowing not
D. Not known
解析: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。
时间:2019-09-13 07:43:14
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
A. Not to know
(答案→)B. Not knowing
C. Knowing not
D. Not known
解析: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。