这句是虚拟语气句 had reached
对过去的虚拟 从句 had done ,主句 would,must ,could +have done
我个人的理解
o(∩_∩)o...
He must have had an accident,or he____________ here then
He must have had an accident,or he____________ here then
A)\x09would have been B) had been C) should have been D) could be
重点区分A 和C
A)\x09would have been B) had been C) should have been D) could be
重点区分A 和C
英语人气：112 ℃时间：2020-02-05 14:07:15
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