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I helped my mother_____【clean】 up all the rooms yesterday.
Ecah of us____【be】in the classroom now.用所给单词适当形式填空.把原因写出来!
人气:323 ℃ 时间:2019-08-19 02:00:13
解答
用所给单词适当形式填空
I helped my mother_____【clean】 up all the rooms yesterday.
Ecah of us____【be】in the classroom now.
应填:
(to) clean
is
注:help sb (to) do sth 帮助某人做某事
to 为不定式符号,可以省略
each of …… 做主语时,谓语动词用单数形式help sb with sth和help sb do sth的区别是什么?
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