补全对话。
A: Would you mind l watching TV this evening? You have to help me.
B: OK, aunt. I'll 2 the TV 3 . What can I do for you?
A: Could you 4 your little cousin? I have to get some milk for him.
B: Sure. 5 my listening to music with my cousin?
A: No, 6 . I'll be back 7 .
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5. __________ 6. __________ 7. __________