the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.A．IfB．AsC．BecauseD．While 题目和参考答案——青夏教育精英家教网—

题目内容

______ 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

考查连词的用法。While 虽然，尽管，句意：尽管网络有很大的帮助，但是我认为把太多时间花在上面不是一个好主意。故选D。

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