一道英语智力题,求大神级解答!急!
一道英语智力题,求大神级解答!急!
Tom and Mary are brother and sister . When people asked how many siblings (兄弟姐妹) ther had, Tom said, "I have twice as many sister as brothers." However, Mary said, "I have an equal number of brothers and sisters." How many brothers and sisters do they have?