Exercise 4. Correct the mistakes if necessary 1. Were you find your keys yesterday? _________________________ 2. Was you draw the picture at 5 p.m. yesterday? _________________________ 3. What was she do while her mother was making lunch? _________________________ 4. Where did you went last Sunday? _________________________ 5. They weren't sleep during the meeting last Monday. _________________________ 6. Helen was wearing her dress to the party last night. _________________________ 7. While I was do my homework, I heard the doorbell. _________________________ 8. Tom was walking in the street when he suddenly was falling over. _________________________ 9. At this time last night, Susan didn’t going out with her friends. _________________________ 10. While Julie went down the street, it begin to rain. _________________________

Tất cả Toán Vật lý Hóa học Sinh học Ngữ văn Tiếng anh Lịch sử Địa lý Tin học Công nghệ Giáo dục công dân Âm nhạc Mỹ thuật Tiếng anh thí điểm Lịch sử và Địa lý Thể dục Khoa học Tự nhiên và xã hội Đạo đức Thủ công Quốc phòng an ninh Tiếng việt Khoa học tự nhiên