— My car has broken down. Could you please give me a ride tomorrow? — I'm sorry I _____. I'
[ ]
题目简介
— My car has broken down. Could you please give me a ride tomorrow? — I'm sorry I _____. I'
题目详情
— I'm sorry I _____. I'm leaving for London tonight.
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B. mustn't
C. couldn't
D. shouldn't
答案