Ex 4 : Gạch chân từ sai, sửa từ sai thành từ đúng vào dấu chấm. 1. My mother don’t went shopping last Sunday. …………………… 2. My mother buyed lots of vegetable at this market. ……………… 3. Where you did go? ……………… 4. I were not brave enough to face the problem. …………….. 5. The orchestra begun playing at the concert. ……………. 6. I got a good mark at the final exam in the next week. ……………. 7. It rain heavily during the day off. ………….. 8. Last month, I is lost my shoes. ……………….. 9. Do you go out last night? ………………. 10. I crossed a few minutes the road to catch my cat. …………….. 11. Did how you get to school this morning? ………………. 12. He did not called me before the meeting.