Question

【题目】---Would you like to go shopping with me this afternoon?

---I’d like to. But I _______ look after my sick mother.

A. have to B. may C. could D. can

Answer 1

【答案】A

【解析】

试题分析：句意：-今天下午你愿意和我一起去购物吗？--我想。但我_得照顾我生病的母亲。have to必须，不得不；may可以；could能；can能，会。所以选A。