31. There is no ______ for them to do that.
A. need B. needs C. needless D. needing
32. The _____ development leads to our country’s prosperity.
A. industry B. industries C. industrial D. industrialize
33. Farmers ______ their land to make it _______.
A. fertilize / product B. fertilizer / productive
C. fertilize / production D. fertilize /productive
34. Many communities are burning garbage and other biological waste products to produce ______.
A. electric B. electricity C. electrician D. electrify
35. _______wildlife needs the cooperation of the public.
A. safe B. safety C. safeguard D. safeguarding
36. Stress and tiredness often lead to lack of _______.
A. concentrate B. concentration C. concentrated D. concentrator
37. Human being are the worst _______ on the earth.
A. pollutes B. polluters C. pollutants D. pollutions
38. A combine harvest is very ______, it can cut and thresh rice at the same time.
A. use B. useless C. useful D. usefulness
39. Mrs. Christine has been told by her doctor that she is _________, she cannot have a child of her own.
A. childless B. childhood C. childish D. child
40. Are you _____ of the danger that you are facing?
A. sense B. sensible C. senseless D. sensation
41. Thanks to my friends’ ________ remarks, my essay has been improved.
A. construct B. construction C. constructive D. constructor
42. What is your _____ in life?
A. aim B. aimless C. aimlessly D. aimlessness
43. The matter is under ______.
A. investigate B. investigation C. investigatory D. investigative
44. The president traveled under the ______ of many soldiers.
A. protect B. protective C. protection D. protector
45. The US made a _____ declaration of war to Iraq.
A. formal B. formality C. formalize D. formalism
Loga
Sinh Học lớp 12
