问题
选择题
— Did you have a good trip?
— Yes, ___________.[ ]
A. I am
B. I did
C. I do
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Did you have a good trip?
— Yes, ___________.[ ]
A. I am
B. I did
C. I do
答案：B