题目

的分数单位是，它有个这样的分数单位，再添上个这样的分数单位就是最小的合数。 答案：【1】15【2】17【3】3 Mr Cooper wanted to buy the house and he told me that       the house cost, it would be       it.      A. however; worth                        B. whatever; worth      C. how much; worthy                      D. what; worthy of