Complete the sentences with the correct form of the verbs in brackets. 1.I don't know what I (do)........if you (not/be).........here to help me. 2.Her train (leave).........at 8:35 tomorrow morning. 3.By the time the firemen arrived,all residents (escape).........the building. 4.Hurry!The movie (start).........in 10 minutes! 5.We chose the Hotel Rio because we (stay).........here before. 6.I (watch).........the film before,so I knew how it ended. 7.After I (rush).........downstairs to the kitchen,the earthquake (strike)......... 8.When the kids (come)...........back home,their shelters (be)........ready. 9.After he (win).......the gold medal at the Olympic Games,he (decide).......to become a rescue worker. 10.Everybody (evacuate)...........by the police before the volcano (erupt).......... 11.By the time the heavy rain (start)..........,camps (put up).............. Giải thích được nữa thì tốt nha!!