问题补充:
---I don’t want to go to school on foot. What should I do?
---You try asking your father for a bike, or you can go by bus.
A. have to
B. must
C. might
D. can’t
答案:
A. have to
B. must
(答案→)C. might
D. can’t
解析:have to必须,不得不;must必须,一定;might可以,或许; can’t不能,可能不。句意:我不想步行去学校。我改怎么办?——你可以试着向你的父亲要一辆自行车,或者你可以乘公交。结合语境可知选C。