Part 2 Multiple Choice(每小题：1.5 分)Directions: Choose the best answer from the four choices marked A, B, C and D.1.I will hold your note until Christmas Day, _ you certainly will have received your allowance.A. by that timeB. at that timeC. by which timeD. at which time2.They packed the instruments carefully _ they would be broken during transportation.A. so thatB. on condition thatC. for fear thatD. provided that3.
