这是什么从句?填that 还是where?
4个回答

从整体上看,这是一个强调句.句型是it was.that...是与第二空的that构成的.

但是其中还包含了定语从句,也就是第一空的that引导的.

可以翻译为:就是在Jone教授的实验室里,这个实验被执行的.

It was in the lab ( that was in the charge of Professor Jone) that the experiment was carried out.打括号部分是由that引导的修饰lab的定语从句,整个句子属于强调句型.