问题补充:
单选题Wehavebeenexcavatinglayersofashalmostsixmetresthick,whichsuggeststhatthey________thefireburningallwinter.A.should keepB.might have keptC.should have keptD.might keep
答案:
B
时间:2018-10-13 17:25:22
单选题Wehavebeenexcavatinglayersofashalmostsixmetresthick,whichsuggeststhatthey________thefireburningallwinter.A.should keepB.might have keptC.should have keptD.might keep
B