根据对话内容，选择适当的单词填空。
Mary: What time do you usually get up 1． ( in / on ) Sunday morning?
Lily: 2． ( At / On) seven thirty.
Mary: What do you usually do at the weekend?
Lily: I usually stay 3． (in / at) home and do some 4． ( read / reading ). Sometimes I 5． (do / does ) my homework or clean the house with my mother. What about you?
Mary: I usually go to the park with my sister.
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