i miss the last bus,so i____go home on foot(填上情态动词) 1.must 2.haveto 3.may 4.had to

问题描述:

i miss the last bus,so i____go home on foot(填上情态动词) 1.must 2.haveto 3.may 4.had to

had to 表示客观条件决定必须做某事,用have to,而且是发生过的事情,所以是过去式,应该用had to