单项选择题A.Last week.B.The day before yesterday.C.Yesterday.D.This morning.
单项选择题A.A receipt and the cheque stub.B.The guarantee and the receipt.C.The radio and the box.D.The credit card and a receipt.
单项选择题In what respect was Kohoutek a disappointment
单项选择题Why was Kohoutek referred to as the comet of the century
单项选择题The major point discussed in the passage is