1.The shop opens at the 10 am.
2.Your research paper is due on Friday, June 10th.
3.My birthday is in August.
4.I wake up early in the morning.
- “I watered the plant on Friday.” 这里，on表示某天：周五。
- “I bought it in 2012 in France.” 这里，2012是年份，因此用in作为时间介词。
- This 2018 FIFA World Cup Tournament will begin ______June 14th.
- He came back ___________midnight last night.
- Jason was born_____ 3 o’clock ________the morning _________ April 10th, 1994.
- We often go to the beach ______ the summer.
- I took the stairs, and he took the elevator, but we arrived ______the same time.
- at, in, on