Bài A/ CHỌN ĐÁO ÁN ĐÚNG 1. Most people _____ before the volcano erupted. A. had left B. left C.leave D.leaves 2. By the time we _____, it had stopped snowing, A.arrive B.arrives C.arrived D.had arrived 3. Simon ____ lost because he hadn't taken a map. A. get B.gets C.had got D.got 4. I found my pen after I _____ a new one. A.buys B. had bought C.bought D. buy 5. Look! They ______ a new song. A. sing B.sings C.is singing D.are singing 6. At 9 p.m tomorrow, she _________ dinner in London. A. will be having B.have C.had D.had had 7. Up to now, they _________ for our company for 10 years. A.have worked B. worked C.work D. had worked 8. She ______ in 1990. A.born B.was born C.had been born D.were born 9. I find it hard ______ French. A.learn B.to learn C.learning D.learns 10. We spend 3 hours _______ our car. A.to repair B.repair C.repairing D.repaired