用适当的介词填空。 1. We go to school _______ weekdays. 2. What time do you get up _______ Saturday morning? 3. Mr. Green likes working _______ China. 4. That's a delicious cake. I can have it _______ supper. 5. Don't worry. Bus station is _______ from the bank. 6. Is he in Japan _______ his father? 7. The students go to school _______ Monday _______ Friday.