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