It was in 1949 ___new china was founded.为什么要填when,怎么样才能填that难道这句不是强调句吗

问题描述:

It was in 1949 ___new china was founded.为什么要填when,怎么样才能填that
难道这句不是强调句吗

时间状语从句

was改成is时,才是用that

这里的in是介词,在介词出现的情况下不能用that,when在这里替代的是in1949,所以不能被that代替.如果意思不变换成that可以把这个句子变成同位语从句:the time that new china was founded is 1949.

new china was founded 从句缺时间状语
当从句却主语时 可以用 that
这句是强调句