问题
选择题
-What are they doing?
-They are talking the phone their life.
A．on; about
B．in; about
C．to; about
D．on; on
答案
答案：A
通过电话交谈可用介词on，谈论某事可用介词about，故本题选A。
搜题请搜索小程序“爱下问搜题”
-What are they doing?
-They are talking the phone their life.
A．on; about
B．in; about
C．to; about
D．on; on
答案：A
通过电话交谈可用介词on，谈论某事可用介词about，故本题选A。