1. What a coincidence ! I was thinking about Roy when his letter arrived !
    多巧呀，我正想着罗伊，他的信就到了。

2. It is a curious coincidence that the day before his retirement, Mr. Page will have been teaching for a total of forty years.
    佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。