By the time he arrives in Beijing we __________?
公共英语
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By the time he arrives in Beijing, we ___________ here for two days.
A)will have stayed B)shall stay C)have been staying D)have stayed
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A
本题考核谓语动词的时态。全句的意思是:"等他到达北京的时候,我们将在这里(已经)呆了两天。"句中bythetimehearrives等他(将要)到达北京的时候,表示动作要延续到将来某一时刻,要用将来完成时,因此答案是A。
