问题
选择题
---Is this your pencil?
---Yes, ________. [ ]
A. it's
B. it is
C. its
D. is it
答案
答案：B
搜题请搜索小程序“爱下问搜题”
---Is this your pencil?
---Yes, ________. [ ]
A. it's
B. it is
C. its
D. is it
答案：B