填入适当的介词，完成句子
1. Alice usually goes ________ the cinema ________ her parents.
2. The headmaster will wait ________ the entrance.
3. What do you usually do ________ the Open Day?
4. Let's look ________ the English Club noticeboard.
5. ________ 5:20 they will start their party.
6. —Who are you waiting ________?—Mr Black. I have something important to tell him.
7. Let's meet our teacher ________ the school gate.
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