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on Monday mornings,在星期一上午。
morning用复数形式是表示经常性的情况,它前面有修饰词Monday,所以介词要用on。
One Monday, there were fewer people in the shop than usual when the woman came in, so it was easier for the detective to watch her. 有一个星期一,当这位妇女走进这家商场时,里面的人比往常少,因此,侦探比较容易监视她。
(1)one在此处表示“某一个”,不能用a 代替。
(2)这个句子较长,there were引导的是主句,when引导的是它的时间状语从句,so引导的是结果状语从句,在主句和结果状语从句中又分别隐含比较状语从句。在结果状语从句中,it为先行词,真正的主语是不定式短语for the detective to watch her。不定式短语往往较长,作主语时通常要用先行词it作为形式主语:
It is easy for you to help me.
你帮助我是很容易的。
as quickly as possible,以最快的速度。
as…as possible为固定短语,表示“尽可能”:
He went home as soon as possible.
他尽快回了家。
I have sent you as many books as possible.
我已经把书尽可能多地给你送来了。