you are too busy , so you ____ keep any pets. A have to B have not to C don't have to D don't need

问题描述:

you are too busy , so you ____ keep any pets. A have to B have not to C don't have to D don't need
clever 的形容词是什么?

选择C,意思是:你很忙,你没必要养宠物.have to 是固定搭配,这里用的是它的否定形式