英语单选Only after the students have mastered the rules of pronu

英语单选
Only after the students have mastered the rules of pronunciation___.A.can they memorize words more easily B.when can they memorize word moer easily C.then they can memorize words more easily D.when they can memorize words more easily. 详解
为什么can前面不能加when
高速蜗牛_ee 1年前 已收到3个回答 举报

zcf2005 幼苗

共回答了16个问题采纳率:93.8% 举报

a
这里是only倒装句.结构为:
Only+状语+助动词(情态动词或be)+主语+动词原形
例句:
Only after you finish it can you leave.
Only at night do bats leave their cave.'
Only after I had returned home did I realize that I had left my watch in Emma's bathroom.
Only after the war was over was man able to realize the wickedness of the atomic bomb.
Only when we landed did we see how badly the plane had been damaged
注意:only 引导的状语从句不倒装,只是主句倒装.

1年前

5

零点舞步 幼苗

共回答了3个问题 举报

选A,这是一个倒装的用法。当only+状语位于句首时,句子应该倒装。原句应该是:They can memorize words more easily only after the students have mastered the rules of pronunciation

1年前

1

macropolo 幼苗

共回答了22个问题采纳率:77.3% 举报

A、B首先可以排除,因为从句必须是陈述句语序,然后根据句意可以选C

1年前

0
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