几道英语冠词题,

几道英语冠词题,
42._ is the king of beasts.
A.Lion B.The lion C.Lions D.The lions
43.Mother does _.
A.all cooking at the home B.all cooking at home C.all the cooking at the home D.all the cooking at home
44.The police found the murder weapon at _.
A.the bottom of lake B.the bottom of the lake C.bottom of a lake D.bottom of he lake
45.We went on _.
A.a trip to the country side B.the trip to the countryside C.a trip to a countryside D.the trip to a countryside
46.They elected him _.
A.captain of the team B.captain of a team C.the captain of the team D.the captain of team
47.The human beings can not change _.
A.the law of the nature B.law of nature C.the law of nature D.law of the nature
48._ square has four sides.
A.A B.An C.The D./
49.Let's put the piano by _ window on _ left of _ room.
A.a…the…the B./…/…the C./…the…the D.the…the…the