English translation Use once upon a time

Should be:
once upon a time ,we had math class.
Once upon a time,
So the tense of a sentence should be in the past tense
Have math class

RELATED INFORMATIONS

1. We have math class at 10 o'clock today. I like translating math into English
2. When do you have math class
3. English translation How about a walk after supper? I will try my best to improve my English 6. I made some mistakes in this math exam 7. Everyone likes the film We should learn from each other and help each other 9. You shouldn't watch TV all the time Try not to tell him about it
4. Mr. Gao always makes his class interesting
5. The geography teacher always gives interesting lessons and the students like her very much
6. Mr. Zhang's class is very interesting
7. Miss Li's class is always interesting and lively?
8. English translation
9. Are there any teachers in the office
10. There is an English translator in the teacher's office in front of the teacher
11. English translation Urgent. High accuracy
12. Translate the following sentences This is the time of his arrival. This is the place where he works. No one knows why he always goes to bed late. I will never forget the autumn when we lived and studied together. I hate the hotel I stayed in!
13. English translation I do my homework at seven in the evening
14. English translation We experienced a terrible thing yesterday, which we will never forget The garden can't be found any more. We had a happy childhood there If you often eat fast food, you will get fatter and fatter Unless the sun rises in the west, grey wolf will never catch pleasant goat As long as you have a healthy diet, you will have a strong body Make sure there are no mistakes~
15. English translation （）your books( ) the desks( )class Put the books on the desk before class
16. With translation
17. Translation of Unit1 Unit2 in Grade 6
18. English translation The second volume of the book. Practice makes perfect.Work brfore play.Better late than never .No pain,no gain.All work,no play makes Jack a dull boy.Seeing is believing.Health is wealth.A dog is a man's best friend.Easier said than done.A friend in needs is a friend indeed.An apple a day keeps the doctor away.Honesty pays.
19. English translation my room My room is very big and beautiful. It has my bookshelf, air conditioning, my own bed, my writing desk and desk lamp. I have to tidy it every day. I have to do my homework in it after school. I really like it! I love my room! If you think I can't write smoothly, you can not write according to this translation (about 40 words), and the translation should also be written separately!
20. English translation Policewoman Yuan Yuan likes helping people.She like English.She often helps tourists find their way.She goes to work by motor cycle.