It was a time_________ the killer whales helped the whales c

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/06/01 12:00:47

It was a time_________ the killer whales helped the whales catch the baleen whales.
横线上为什么填when 而不是that.以前学过强调句型是it was+被强调的部分+that,那这里不是很符合吗,为什么只能填when when是正确答案.
这里去掉it was...that 后怎么不完整了啊？课文中的这句话又是强调句：It was then that Clare realized Tony had opened the curtain.这句话又怎么分析？

如果你用that是强调的用法,强调句的特点是：当你把it is/was ...that/who去掉之后,这个句子还是完整的.
在这个句子中把it is/was ...that/who去掉之后句子已经不完整了.
这个句子是一个定语从句的用法, a time是引导词,when是表示时间的关系代词.

killer whales是什么意思 It was impossible for the whales to escape and move south -- It took a couple of days for the whales to make it through t The sperm whales have a immense brain和 have brains Whales are the biggest animals_______.(live) Whales are the biggerst animals ____ (Live) Who's playing with the white whales? 在线求指导：Blue whales are the if the sick whales is a leader,the r_______ of the group swi 英语翻译Did you know that the whale is like a land animal?Whales The number of whales is becoming..A more and more Bfewer and kill the whales before they kill you 翻译