21. Mary searched all over the house ........ could not find the key. a. A. but B. although C. however D. because 22. ............. Tom nor his brother helps in the housework. a. A. Not B. Both C. Either D. Neither 23. The football team won partly because they had been well trained by their ........... a. A. teacher B. director C. instructor D. coach 24. Everyone .......... Tom was invited to the party. a. A. as B. from C. but D. for 25. For .......... reason is this meeting being held. a. A. what B. why C. how D. that 26. I will ......... you this book if you promise to return it next week. a. A. offer B. lend C. borrow D. allow 27. I’d be very ......... to go to Japan one day. a. A. fond B. enjoyable C. interested D. hopeful 28. Many scientists are sure there is ......... on other planets. a. A. life B. existence C. people D. creature 29. I don’t feel good I ........ home from work tomorrow. a. A. am staying B. stay C. have stayed D. stayed 30. Next week when there ......... a full moon, the ocean tides will be higher. a. A. is being B. is C. will be D. will have been 31. The ........... bought from that factory ......... faulty. A. equipment/was B. equipments/are C. equipment/were D. equipments/were 32. I’ll be with all of you in ......... hour. a. A. a quarter of an B. one quarter of an C. a quarter of one D. a quarter of 33. Jack got into trouble when he refused ............ his briefcase for the customs officer. a. A. opening B. being opened C. to open D. to be opened 34. I’m sorry I never graduated. I’ve always regretted not ........ college. a. A. to finish B. finish C. finished D. having finished 35. Alice didn’t expect ............. to Bill’s party. a. A. asking B. being asked C. to ask D. to be asked 36. Neither Dick ....... Tom knows how to speak German. a. A. nor B. or C. and D. but 37. Renoir’s paintings .............. masterpieces all over the world. a. A. had considered B. are considered C. are considering D. consider 38. A tornado swept through Rockville. It ..... destroyed everything in its path. a. A. x B. was C. was being D. had been 39. Many US automobiles ........ in Detroit, Michigan. a. A. manufacture B. have manufactured C. are manufactured D. are manufacturing 40. The chemistry book ....... was a little expensive. a. A. I bought B. that I bought it C. I bought that D. what I bought GIÚP EM BÀI NÀY VỚI Ạ, EM CẢM ƠN NHIỀU!!