【C10】A．permittedB．concludedC．delayedD．prevented

You can put it off for a while.A.rookB.leftC.delayedD.washed

【C20】A．permittedB．causedC．compelledD．admitted

Time______, we will do a short presentation before the concert.A．permittedB．permittingC．pe

【C19】A．diverseB．differentC．delayedD．detained

【C15】A．thoughtB．concludedC．recognizedD．regarded

54._________A. discoveredB. concludedC. foundD. t