46, No (other )beverage comes (even) close to rivaling coffee as the (more widely) drunk refreshment in the (world).

47, Strangers (come) into her city (now) notice what a (clean) place ( it is ).

48, Professor Anderson thought that because historical parallels are so ( much) used unprecisely and uncritically it (would) be (better) to avoid them altogether in our themes.

49,“ I did not go to the party.”
“did _____ go to the party?”
a, many john friends.
B, many john’s friends.
C, my sister boy friend.
D, a boy friend of my sister’s.

50, “what did you see?”
“ we saw_____ police there”.
A, many. 　　　B, much.
c. little. 　　　　d. the.

51, (when) and (by whom) the islands of the west Indies were first settled is a matter (of debating) (among) archaeologists.

52, (Cliff’s and Al’s) car (broke down) again, but (luckily) they knew ( how to fix) it.

53, (from the top ) of the tower, Jacob was able ( to clearly and easily see ) the (whole ) city (stretching) out below him.

54, Joan ( decided) that she did not like the (girl eating) an ice-cream come on the bus after (she) ( yelled) at her little brother.

答案：CAADD/ CABC