【单选题】 -- Can you go shopping with us this afternoon-- Sorry, I can't. I ______ take care of my little sister because she is ill.
A．
| [A] have to |
B．
| [B] may |
C．
| [C] would |
网考网参考答案：A
网考网解析：
考查情态动词。have to指“必须”，may表示“可以，可能”，would表示意愿和(过去)将来、或者表示委婉语气。由空格前的can't可知应选[A] 。 查看试题解析出处>>
发布评论 查看全部评论