20.---I got up at five this morning, I thought it was Friday. ---You _____ so early.It is Sunday today; you don’t have to go to work.
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.