题目内容
11.He is not easy to get along with,but the friendship of his,once it is gained,will last forever.He is not easy to get along with,but the friendship of his,once gained,will last forever.
分析 他不是一个容易相处的人,但是一旦获得他的友谊,就会保持永远.
解答 答案:once gained.考查省略.once引导的状语从句中的主语是it,并且又含有be动词时,可以省略it和be动词所以用once gained=once it is gained.
点评 考查省略.
状语从句中的省略
当状语从句中的主语和主句的主语一致,或状语从句中的主语是it,并且又含有be动词时,常可以省略从句中的主语和be动词.
(1)在as,before,till,once,when,while等引导的时间状语从句中.如:
While(I was) waiting,I was reading some magazines.我一边看杂志,一边等.
(2)在though,although,等引导的让步状语从句中.如:
Though (they were) tired,they went on working.虽然他们累了,但他们仍继续工作. (3)在if,unless(=if…not)等引导的条件状语从句中.如:
You shouldn't come to his party unless (you were) invited.除非你被邀请,否则你不应该来参加他的宴会.
(4)在as,as if,as though引导的让步状语从句中.如:
He did as (he had been) told.他按照被告知的那样去做了.
(5)在as(so)…as…,than引导的比较状语从句中.如:
I know you can do better than he (can do).我知道你能比他做得更好.
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