Question

____ 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

Answer 1

A

考查连词。A. 虽然；然而 B. 因为；随着 C.因为   D.如果。句意：虽然网络有很大帮助，但是我认为花费太多时间在上面不是一个好主意。故选A。