In U.K ,we m__ drive on the right side of the road.We must drive on the left side.
问题描述:
In U.K ,we m__ drive on the right side of the road.We must drive on the left side.
答
mustn't不能,情态动词
希望这一回答对你有所帮助,望点击”选为满意答案”采纳.