问题
选择题
-Is that your backpack.
-No. It's backpack.[ ]
A. my 
B. he
C. his
D. she
答案
C
搜题请搜索小程序“爱下问搜题”
-Is that your backpack.
-No. It's backpack.[ ]
A. my
B. he
C. his
D. she
C