摘要：Tracy being left alone in the house.
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| 选词填空. | |
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| 1. It's _____ outside now. I can see nothing. 2. Don't _____ the snake. I'll give you a hand. 3. I'm __ _ that he can come here on time. 4. Tracy ___ _ being left alone in the house. 5. Paul _____ everything new he meets. |