问题
选择题
the Internet is of great help,I don’t think it’s a good idea to spend too much time on it. [ ]
A.If
B.While
C.Because
D.As
答案
答案:B
the Internet is of great help,I don’t think it’s a good idea to spend too much time on it. [ ]
A.If
B.While
C.Because
D.As
答案:B