42. Which of the following groups is meat? _____

43. A ____ in the hand is worth two in the bush. (prov.)

44. With a _____ of snow covered them, the small hills look very beautiful.

45. They are ready to fight the enemy _____ the last drop of their _____.

46. With his own _____ Huang Jiguang, a fighting hero _____ the enemy's machine gun.

47. He earned scarcely enough to keep _____ together.

48. _____ and butter ____ the daily food in west countries.

49. ____ and friends should be few but good. (prov.)

50. John is on the bottle again. This sentence probably means _____.

51. --- Who is at the _____ of all this trouble.

--- I don’t know.