Điền giới từ phù hợp
42. We are in ......... a lot of trouble unless George manages to repair the radio station.
43. Five participants have been expelled .............. the survival course for their abject
disobedience.
44. According to the weather forecast, the coastal area will soon be ...... threat of the
destructive force of a typhoon.
45. There were no protests to the chairmans proposal to do away ....... the standard
procedures and advance to the major point of the debate.