—Whatareyoudoing,John?Whystop?—Tobeonthesafeside,we'dfi...
来源:语文精选馆 3.1W
问题详情:
— What are you doing, John? Why stop?
— To be on the safe side, we'd fill up the tank now for we _______run out of gas on the way
A. must B. will C. might D. should
【回答】
C
知识点:情态动词
题型:选择题