I ____ look after my mother at home because she is ill.[ ]A. have to B. must C. mustn't D. don&

题目简介

I ____ look after my mother at home because she is ill.[ ]A. have to B. must C. mustn't D. don&

题目详情

I ____ look after my mother at home because she is ill.

A. have to
B. must
C. mustn't
D. don't have to
题型:单选题难度:中档来源:0110 月考题

答案

A

更多内容推荐