问题
选择题
I have spent little time _____ computer games. [ ]
A. on
B. on playing
C. in
D. on play
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I have spent little time _____ computer games. [ ]
A. on
B. on playing
C. in
D. on play
答案：A
