giup mk voi cac ban oiiii 1. He often (go)................... to school on foot. 2. It (rain)............................ very hard now. 3. The sun (warm)........................... the air and (give).................. us light. 4. Look! A man (run)...................... after the train. 5. She (go).................... to school everyday. 6. Bad students never (work)..............................hard. 7. It often (rain)............... in the summer. It (rain)........................ now. 8. The teacher always (point)............ at the black-board when he (want).................. to explain something. 9. Mother (cook).......... some food in the kitchen at the moment, she always (cook)............ in the morning. 10.I always (meet)................ him on the corner of this street. 11. Where you (go).................... now?- I (go)....................... to the 4 theater. 12. He (not do).............................. morning exersices regularly. 13. He (do)..............................morning exersices now? 14. Water (boil)............................at 100 defrees centigrade. 15. He (meet)........................ the dentist next week. oi tar loi dau tie mk se vote cho 5 s va tha tim kem cau ta loi hay nhatttt