----- Nội dung dịch tự động từ ảnh -----
Bài tập 1: Chuyển những câu sau sang thì quá khứ đơn với to be)
1. My dog is in the park.
2. A book is on the shelf.
3. They are not hungry.
4. You are my best friend.
5. These boys are very kind.
6. There is a laptop case on the table.
7. That is a grasshopper.
8. Emily is in Paris.
9. I am seven years old.
10. They are at the park.