问题
单项选择题
Is Mary there?（）
A.Speaking.
B.I'm not Mary.
C.Who are you?
D.Mary is well today
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
Is Mary there?（）
A.Speaking.
B.I'm not Mary.
C.Who are you?
D.Mary is well today
参考答案：A