i just don't understand___that prevents so many Amerians from being as happy as one might expect.

分类: 作业答案 • 2021-11-13 00:28:17

问题描述：

i just don't understand___that prevents so many Amerians from being as happy as one might expect.
为什么是What it is

答

这是强调句型特殊疑问句用在了宾语从句中,用陈述语序.
It Is+被强调部分+that+其他
when is it that …….