分詞的否定式都必須是在分詞前加not,而不是在后面
如：Not having received her letter,the manager caller her from his office.
He left the room,not saying a single word.你好,所以D項如果改成not having know 也可以么？
My mother,（ ）whether anyone would come home to help her,had to prepare the supper all by herself.
My mother,（ ）whether anyone would come home to help her,had to prepare the supper all by herself.
A.did not know
B.not knowing
C.had not known
D.having not know
為什么選B?D為什么不行?
A.did not know
B.not knowing
C.had not known
D.having not know
為什么選B?D為什么不行?
英語人氣：137 ℃時間：2020-04-03 19:39:08
優(yōu)質(zhì)解答
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