53.　 It’s still ________________ who broke the window.　 (know)

52.　 I was told there _________ twelve months in a year when I was young. (be)

51.　 After ____________ off things, they went to Tian An Men Square in a hurry.　 (drop)

50.　 Such an old man can’t be left at home by ______________.　 (him)

49.　 Could you please fill in your ____________ information here?　 (person)

48.　 Beijing University ______________ a hundred years ago.　 (found)

47.　 China and India are _____________ developed countries.　 (little)

46.　 The cotton sweaters ____________ there feel comfortable and soft. (hang)

45.　 The picture book made the baby very ____________ .　 (interest)

44.　 ______________ he says, you must listen to him clearly.　 (what)