问题
选择题
—Do we need _____?
—Yes, we do.[ ]
A. happy
B. be happy
C. to be happy
D. being happy
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Do we need _____?
—Yes, we do.[ ]
A. happy
B. be happy
C. to be happy
D. being happy
答案：C
