viếc câu hỏi cho các từ gạch dưới trong các câu sau
1. Lan didnt know how to iron her clothes last year (gạch chân chữ last year)
2,i brush my teeth twice a day(gach chân chữ twice a day)
3. he came to see the dentist yesterday afternoon because she had a toothache (gạch chân chữ because she had a toothache)
4.doctot Lai told Minh to brush his teeth regularly (gạch chân chữ doctor Lai)
5. No , i didn't stay up late last night ( gạch chữ no)
6. yes, i know how to take care of myself now (gạch chữ yes)