điều kiện loại1, câuloại 2, loại 3.(mình đang cần gấp giúp mình với mình cảm ơn trước ạ) cau1:If you don't try your best,you the next exam. A:will fail. B:fails. C:would come. D:would have come. cau2:If each person one more tree,the pollution problem worldwide would be solved. A:plants. B:planted. C:had planted. D:will plant. cau3:If our teacher were here now,he us with this difficult exercise. A:has helped. B:helps. C:will help. D:would help. cau4:If anyone ,please tell them I'm not at work today. A:will call. B:should call. C:called. D:calls. cau5:If you an important decision,you will think carefully. A:work. B:make. C:expect. D:do. cau6:You'll get pneumonia you your wet clothes. A:should-not change. B:don't-change. C:were-not to change. D:had you not changed. cau7::she able to walk faster If her shoes didn't have such high heels. A:could be. B:couldn't be. C:were. D:had been. cau8:I things on the installment system if I were you. A:wouldn't buy. B:don't buy. C:won't buy. D: wouldn't have bought. cau9:If anyone attacks me, my dear dog at his throat. A:would bite. B:will bite. C:bit. D:had bitten. cau10:I'll pay you double if you the work finished by friday. A:get. B:got. C: had got. D:are getting. cau11:had I know that you were in hospital,I you. A:would visit. B:will visit. C:would have visited. D: visit. cau12:you won't make better progress unless you class regulary. A:attend. B:attended. C:don't attend. D:didn't attend. cau13:If you ten minutes earlier,you would have a seat in the auditorium. A:arrive. B:arrived. C:had arived. D:arrives. cau14:If he hard,he the coming exam. A:stidied/would pass. B:doesn't study/ will surely pass. C:studies/can pass. D:hadn't studied/wouldn't have passed. cau15:If she asked you for hep, ? A:would you accept. B:you accept. C:will you accept. D:do you accept.