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The headmaster cailed me just now, I must go to the office at once. [ ] A.forB.b

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The headmaster cailed me just now, I must go to the office at once. [ ] A.forB.b

The headmaster cailed me just now, ________ I must go to the office at once.

[]

A.forB.butC.orD.so

试题答案

答案:D

提示:

该题考查连词用法.四个选项均为并列连词,for表示原因,but表示转折,or表示选择,so表示因果.由前一个分句和后一个分句所表示的因果关系可判断出答案选D.句意为:校长刚才给我打电话,因此我必须马上去办公室.句中表示因果关系的so连接两个分句.