问题
选择题
It's very late now. How long have you _____ computer games?[ ]
A. playing
B. be playing
C. played
D. been playing
答案
答案：D
搜题请搜索小程序“爱下问搜题”
It's very late now. How long have you _____ computer games?[ ]
A. playing
B. be playing
C. played
D. been playing
答案：D