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