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.
