it was so small and narrow that we had to be careful to keep our balance.这是什么句型

分类: 作业答案 • 2021-12-23 10:31:19

问题描述：

it was so small and narrow that we had to be careful to keep our balance.这是什么句型
如题

答

so..that 引导的目的状语从句.
it was so small and narrow 是主句
that we had to be careful to keep our balance.【从句,也是一个完成的句子哦】