—Can you go to the basketball game with me tomorrow? —Sorry, I’m not free. I ________ see my grandpa...
2022-09-14 00:09:03 42次 重庆市校2018-2019学年八年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Can you go to the basketball game with me tomorrow?
—Sorry, I’m not free. I ________ see my grandpa. He’s ill.
A.have to B.could C.mustn’t D.shouldn’t
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