【单选题】The odds that a certain event will occur is the ratio of the probability that the event will occur to the probability that it will not occur. If the odds that Pat will win a prize are 4 to 3, what is ...
【简答题】'I wondered if I could have a word with you.' The paet tense used in the sentence refers to a ___. Apast for exact time reference Bpresent for tentativness Cpresent for unsertainty D...