______ the Internet is of great help, I
题型:选择题
问题:
______ 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.As
C.Because
D.While
______ 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.As
C.Because
D.While