问题
选择题
--- Are these pens ?
---Yes, ______. [ ]
A. these are
B. they are
C. there are
D. they're
答案
答案：B
搜题请搜索小程序“爱下问搜题”
--- Are these pens ?
---Yes, ______. [ ]
A. these are
B. they are
C. there are
D. they're
答案：B