There are three kinds of dictionaries here,but I'm at a loss which (to choose from) 为什么有from?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/04 22:15:44
Therearethreekindsofdictionarieshere,butI''matalosswhich(tochoosefrom)为什么有from?Therearethreekindsofdi

There are three kinds of dictionaries here,but I'm at a loss which (to choose from) 为什么有from?
There are three kinds of dictionaries here,but I'
m at a loss which (to choose from) 为什么有from?

There are three kinds of dictionaries here,but I'm at a loss which (to choose from) 为什么有from?
后面省略了“these dictionaries”,choose From是词组,表示从……中选择

at a loss from 是词组,对。。不知所措