问答题 Craig's birthday is on 4th February. Toby's birthday is one week before Craig's and three weeks before Frank's. When is Frank's birthday? On ______.
【正确答案】18th February
【答案解析】(题干中指出:Craig的生日在2月4号,Toby的生日比Craig早一个星期,比Frank的生日早三个星期。可知Frank的生日比Craig晚两个星期,即在2月18号。)