问题
选择题
—Excuse me, is this your backpack?
—_____[ ]
A. Sorry, I don't know
B. Yes, it is. Thank you
C. Your backpack is in my room
D. It's black
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Excuse me, is this your backpack?
—_____[ ]
A. Sorry, I don't know
B. Yes, it is. Thank you
C. Your backpack is in my room
D. It's black
答案：B