问题
选择题
The scientist said videophone could be used ___ the conferences.
A.into
B.at
C.for
D.to
答案
答案:B
这里的at the conferences意思是:在会议上。
The scientist said videophone could be used ___ the conferences.
A.into
B.at
C.for
D.to
答案:B
这里的at the conferences意思是:在会议上。