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______ a phone is of great help, I don’t...

______ a phone 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

 

B 【解析】 试题分析:考查连词辨析。A如果;B当…时;然而;尽管;C因为;D因为,随着;句意:尽管电话对人也许很有帮助,第我认为在电话上花太多的时间这不是一个很好的主意。故B正确。本题的while表示尽管。 考点:考查连词辨析
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