Use the correct prepositions at, in, on in the following sentences
1.The course begins ____ September 15 and ends ____ December 15.
2.He goes to bad ____ midnight and gets up ____ 7 o’clock ____ the morning.
3.The movie starts ____ about 8 p.m.
4.What do you usually do ____ the weekend?
5.Hurry up! The plane leaves ____ half an hour.
6.I go out with my friends ____ Saturday evenings.
7.We study in the library ____ weekdays.
8. I don’t stay home ____ the evening. Call me ____ the afternoon.
9. She isn’t busy ____ this time.
10.Her grandmother died ____ 1994, ____ September 12th.
11.Children go out trick-or-treating ____ Halloween.
12. There are a lot of parties _____ New Year’s Eve.
13.She likes to stay home ____night.