63.　 The doctor told me to take the medicine _____________ a day.　 (two).　

62.　 Her mother is a ______________ doctor.　 (child)

61.　 By the end of last month, Wang Ping ____________ more than 1000 English words. (learn)

60.　 By the time we got there, the basketball match _____________on for ten minutes.　 (be)

59.　 To finish the work in such a short time is ____________ for me. Please give me some more time. (possible)

58.　 I have worked in the supermarket since it ____________. (open)

57.　 Xiao Li’s dog has ___________ for nearly two months.　 (die)

56.　 When they got to the airport, the plane _____________ five minutes before.　 (take off)

55.　 Thanks for __________ me to your party.　 (invite)

54.　 The injection given by the nurse wasn’t _______________ at all.　 (pain)