2. 外语
  3. Something must have happened on their way here. Or they ______ by now.

Something must have happened on their way here. Or they ______ by now.

admin2007-10-13  55
问题 Something must have happened on their way here. Or they ______ by now.
选项 A、should have arrived
B、should arrive
C、would have arrived
D、would arrive
答案C
解析 “must+ have+ 过去分词”表示对过去事实的推测。例如：The road is wet. It must have rained last night. (路是湿的，昨天晚上肯定下雨了。)“should+ have+过去分词”表示对过去动作的责备、批评。例如： You should have gone over your lessons.(你应当把功课复习好。) 本句的意思是：“路上肯定出事了，否则他们现在已经到了。”由句子意思推知，此句只是一个表示和过去事实相反的虚拟语气句子，并没有责备的意思。因此正确答案应该是C．
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