第1个回答 2009-07-12
用that,是强调句。
首先,1949时间前有介词in,要是用when,则1949作状语,前面不需要用in,即it was 1949 when China was founded.(这是定语从句)
其次,你可以还原句子:China was founded in 1949.这里不缺when,是完整的句子——这就是强调句的特点,只把要强调的部分(主语、宾语、状语等)放在it is(was)that(who)后,其他成分位置顺序不变,也不缺失,如I saw Tom on the street yesterday.强调宾语:It was Tom who(that) I saw yesterday.强调状语:It was on the street that I saw Tom yesterday.强调主语:It was me who(that) saw Tom on the street yesterday.
it is(was)引导的 定语从句 在 强调状语 时都没有介词,如it was 1949 when China was founded.It was the party where I met her.It was the day when my cat died.
在此,只用记住一点:in+时间=when;in+地点=where.
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第2个回答 2009-07-12
填‘that ’
是强调句,判断的依据是去掉It was ...that之后句意不变。
若要填which和when从句应该为定语从句。
举一个例子:
it was on sunday that we went to the park.
强调句
it was sunday when we went to the park.
定语从句
关键就在于前面的介词on
有on的话去掉it is ... that句子是完整的所以就是强调句,没有的话就是定语从句
所以本句也是类似。
第3个回答 2009-07-12
It was ……that 就表明这是一个强调句了,后面就一定要用that!这是常考的,没有为什么,英语就是这样,有时无法解释,是约定俗成的
it was in 1949 which China was founded 语法哪里错??反正就是错的!你问老外他们也不知道
第4个回答 2009-07-12
因为是强调句,必须用THAT,这个是固定的(个别情况也可以用 WHO),句式规定死的,没办法
第5个回答 2009-07-12
定语从句,which应该有指代的东西在前面,你看一下,它在这里能指代什么?什么都讲不通,所以不对,是强调句,固定名式