It struck me like lightning how difficult it must have been

It struck me like lightning how difficult it must have been for a woman to get a medical training so long ago _____ women’s education was always placed second to men’s.
A.while B.when C.as
为什么不能选A或C,它们都有当...时候的意思?
楚梦泽 1年前 已收到1个回答 举报

2s4usn 幼苗

共回答了19个问题采纳率:89.5% 举报

when既可以与延续性动词连用,也可以与短暂性动词连用;
而while只能和延续性动词连用.这里的place是短暂性动词,所以用when;
as引导时间状语从句表“一边.一边”,as多与延续性动词连用,一般用于主句和从句动作同时发生;as也可强调“一先一后”
注:如果是考查时间状语从句,楼主如果分不清这三者的区别,那保底的做法就是选when,因为when的范围最广.
就像no matter what和whatever一样,whatever既可引导让步状从,也可引导名词性从句,但no matter what就不能引导名词性从句了.所以一般考这个,不要想直接选whatever就好.

1年前

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