初中英语1 we must do something stoppeopli from ______ A.throwing

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初中英语
1 we must do something stoppeopli from ______
A.throwing litter into B.throwing litter from
2 can 和be able to的区别
3 The line was bad.wu could'n_____eachu other claearly
A.hear B.listen to
4 I think the door of out classroom is_______
A.closed B.opened
5 We each______a computer
A.have B.has
6 Bob jumps farther than _____any other boys in his class 这句里的BOY要不要+S
帮忙解决一下,说明原因,详细的,会几题帮忙几题!谢了

1 we must do something stoppeopli from ______
A.throwing litter into B.throwing litter from
选B.throw sth.from译为"随地乱扔".
句意:我们必须采取行动阻止人们随地乱扔垃圾.
2 can 和be able to的区别
1）can could 表示能力；可能 (过去时用could),
只用于现在式和过去式(could).be able to可以用于各种时态.
They will be able to tell you the news soon.他很快就能告诉你消息了.
2）只用be able to
a.位于助动词后.
b.情态动词后.
c.表示过去某时刻动作时.
d.用于句首表示条件.
e.表示成功地做了某事时,只能用was/were able to,不能用could.
He was able to flee Europe before the war broke out.
= He managed to flee Europe before the war broke out.
3 The line was bad.wu could'n_____eachu other claearly
A.hear B.listen to
选A.listen to 应该是去听,有一个动作吧...语感来说是选A没有错.
4 I think the door of out classroom is_______
A.closed B.opened
选A.close的形容词(表关着的状态)是closed.
open的形容词(表开着的状态)还是open.
5 We each______a computer
A.have B.has
选A.主语是We,each是同位语,所以谓语动词用have,复数形式.
如果本题为"Each of we"就要选择B.
6 Bob jumps farther than _____any other boys in his class 这句里的BOY要不要+S
不要.

Something must _____(do) to prevent flood from ______.(happe ·句子转换We must do something to protect our earth from being po "We must do something.This is something.Therefore,we must do We must do something ________the river.A.stop polluting B.to We students must do something to make our school______.A bea “Must we do it now?” “Yes,you ______.A.can B.must C.may WE ARE THROWING A FRISBY ,DO YOU WANT A___?后面是写GO还是play呢 We must do something to help her被动语态 We must do something to change their _(生活). We must do something( )(stop) the ( )(chemistry) factory fro we must do something to stop people from______. I consider it something we must never do .此句中something we mu