用适当的介词填空 1. They are going to have a piano lesson _______7:00pm 2. ______the evening of 1 st May,I`m going to see a movie with my family. 3. Don`t worry _________ your grandma. There is nothing serious with her. 4. Tom usually gets up at half past six _____the evening. 5. The teacher asks us to make a plan _______ the new term. 6. Who always helps you ________your English? 7. New Year`s Day is the first day _______ January. 8. International Workers`Day comes ___________May 1 st . 9. We are going to have two Chinese lessons ______ Thursday afternoon. 10. We are going to the park ______the weekend.