I. Put the verbs in brackets into the correct form 1. If the air (not/be) ....... dirty, the breathing problems (reduce)....... 2. If he (not/buy) ........ so much clothes, he (save) ........ money. 3. It looked like someone (break)................ into the house before. 4. It was the first time I (see)................ a tornado in my country. 5. The flood victims (feel) ........ a little better after they (eat).......... some food and (drink)....... some water. 6. You (hear)............ the earthquake which struck Japan last night? 7. I was late. The other journalists already (arrive)........... the city where the earthquake (strike) ................. 8. By the time the volcano (erupt).................. , people living around the root of the volcano (evacuate) ...... 9. It (take) ... people a lot of time to send a letter to those who live far away 20 years ago. 10. He (repair)......... the car while his wife (cook) ............. dinner at 5pm yesterday. 11. I (watch) ........... and my brother (play) .............computer games when my brother came home. Mn giúp e vs ạ T^T