Câu 21. If I sold my car, I ……………much money for it. a. will get b. wouldn’t get c. wouldn’t have got d. won’t get Câu 22. I have a toothache. I think you ……………. an aspirin a. should take b. should to take c. should taking d. should took Câu 23. I we …………more rain, our crop would grow faster. a. had b. had had c. have d. would have Câu 24. I could tell you what this means if I …………..Chinese. a. know b. knew c. had known d. didn’t know Câu 25. If he worked more slowly, he …………….so many mistakes. a. would make b. will make c. wouldn’t make d. would have made Câu 26. I shouldn’t drink that wine if I ………….you. a. am b. was c. had been d. were Câu 27. Most of the earth surface ……………by water. a. is covered b. covers c. covered d. cover Câu 28. Sperm whales are the …………..animals on earth that have teeth. a. big b. biggest c. bigger d. most big Câu 29. What a beautiful view. You should ……………a photograph. a. make b. give c. bring d. take Câu 30. He might get fat if he …………….smoking. a. stops b. stop c. stopped d. had stopped