问题 填空题
选词填空
    at   in   past   to  up
1. Listen _________ me, please.
2. It's half_________ two.
3. It's time to get _________.
4. I sleep _________ the morning.
5. Bob is _________ home.
答案

1. to  2. past  3. up  4. in  5. at

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