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it was in 1969 ()two americans went to the moon by spaceship

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it was in 1969 ()two americans went to the moon by spaceship
A when B that C before D since
我选的是A,我觉得这是定语从句,后面少状语,关系副词when充当状语,所以选A
为什么错呢
i request () making so much noise
A him stop Bfor him to stop C him to stop D him stopping
我 记得有 request sb should do 这个句式
所以我选A,可还是错了,怎么回事啊
选B.本句是it is...that...的强调句式,而不是状语从句.区别强调句时,可以将原句中的系表结构it be和that 去掉,剩下的部分若可以调整为完整的句子,则为强调句.如本句中去掉 it was .that,剩下为Two Americans went to the moon by spaceship in 1969.非常完整.
选B.使用request sb to do sth的结构,要求某人做某事.

再问: 和 request sb ( should) do 怎么区分啊
再答: 实在抱歉,好像没有见过这个短语。。。 或许是request that sb should do sth,要求某人应该做某事的从句,然后省略that,成为你写的 request sb ( should) do?建议用一下大点儿的字典,应该比较详细。。。
再问: 嗯嗯,就是这个request that sb should do sth 我给记错了 ,选A就符合这个句式,为什么不选A呢
再答: 如果是request that sb should do sth,sb在这里是that引导的从句的主语,应该用主格he而不是宾格him啦。也就是request that he should stop making noise. PS:此外,是有verb+sb (should) do的句式,为虚拟语气。可以使用动词有insist;order, command; advise, suggest, recommend; demand, desire, require, request. 这类动词后面的宾语从句中,要求使用should型虚拟语气。【摘自http://zhidao.baidu.com/link?url=2cTXrF2zzdez0QmLLCUyrq3oRcW5WOMZJcNenoV7DwBiYI56viTZ5zLaf7-bL6gHDfocEWXr8SveasBG-YgEXK】 希望对你有帮助^_^