问题
选择题
—What did he think about?
—He thought about _____ to the US for vacation． [ ]
A. go
B. goes
C. going
D. went
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—What did he think about?
—He thought about _____ to the US for vacation． [ ]
A. go
B. goes
C. going
D. went
答案：C
cosωt
