EX4. Complete the sentences, using the correct passive forms of the verbs in brackets. 1. The town (rebuild)..... ....... after massive destruction of the earthquake in 2015. 2. People living around the volcano (evacuate).... .......for one hour before the eruption happened. 3. Earthquake victims (already send)..... ............humanitarian aid by many countries. 4. Thousands of buildings in Japan (destroy).. .......when the earthquake (happen).. ...... in 2014 5. All of the animals (kill).... .......... by a forest fire in dry seasons. 6. Water (pollute)...... .........during a flood. 7. A mudslide (cause) ... ................ by heavy rainfall last year. 8. More trees (plant)...... ..........every year to minimize the adverse impacts of environmental disaster to human beings and other animals. 9. The debris from the plane crash (clear).... ........by emergency teams at the moment. 10. Aid (send) ................. to the flood victims by the government tomorrow. EX5. Complete the sentences by putting the verbs in brackets into the simple past or past perfect. 1. The film…… …. (already/ end) by the time he ....... ........... (arrive). 2. I…… …… (go) downstairs because I ........ .............. (hear) a noise. 3. We ...... ......(cannot/ send) you a postcard because we ................ (forget) our address book. 4..... .......(you/ finish) your homework before you went to the cinema? 5. I went to the box office at lunchtime, but they.. ..............(already/ sell) all the tickets. 6. I felt very tired when I got home, so I ......................(go) straight to bed. 7. I felt better by the summer, but the doctor warned me not to do too much. I.... .............(be) very ill. 8. Mai (live)..... ...... in Hai Phong for five years before she (move) ... ......to Ha Noi three years ago 9. Phong (tell)...... ........... me yesterday that he (learn).... ..................French for a year. 10. Ms. Hong (work) .... ............ at our school for twenty years before she (retire) .... ............ last June. EX6. Fill in the correct verb form 1. They (come)...............back home after they (finish) ...........their work. 2. She said that she (meet) ...... Mr. Bean before. 3. Before he (go) .....................to bed, he (read).............a novel. 4. He told me he (not/ wear) ......................such kind of clothes before. 5. When I came to the stadium, the match (start) ............... 6. After Nick (do) .....................his homework, he (go) ...........to bed last night. 7. Mai (live)......in Hai Phong for five years before she (move).......to Ha Noi three years ago. 8. Phong (tell)… …me yesterday that he (learn) ............. French for a year. 9. Ms. Hong (work)..........at our school for twenty years before she (retire)........ last June. 10. By the time I (get)...........to Nick's house, his party (already/ start).......... 11. When we (come)..........back to our home village last month, it (change)… ……so much. 12. I couldn't recognize my cousin because he (grow)........... a lot. 13. By the time the bus (come)...........this morning, Duong (wait)........ for it for half an hour. 14. Before she (listen)...................to the music, she (do)..............homework. 15. Last night, Peter (go)......................to the supermarket before he (go) ...........home.