【题目】How long do you suppose it is ______ he arrived there?
A.whenB.before
C.afterD.since
在线课程【答案】D
【解析】
考查连词辨析。句意：你认为从她到那里到现在有多久了？A. when当…时；在那时；B. before在…之前；C.after …后；D.since自从，既然。since引导时间状语从句,从句为一般过去时，主句为 it is+一段时间。故D正确。
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How long do you suppose it is he arrived there?A.whenB.beforeC.afterD.since
编辑：chaxungu时间：2026-04-27 02:56:35分类：高中英语题库
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