you must find something to work out 这里的work是什么词性?out又是什么词性?

连词成句：keys you the set of find must keys/you/the/set/of/find/must连词成句 I Must find you as mouth were catched cat we must find a If you want to find a good job you must learn English well. you can find _______in his exercise book.you must criticize him for not doing his homework I can't find my umbrella.You __________it in the office.A.must have forgotten B.must have left C.must leave D.must forget please find six words about animals in the box below.you must find them in turns翻译成中文 Could you tell me_________.I must find him A,where Tom is B,where Tom was when you find true love when we must be properly grarp翻译,急 英译汉You can find many tall trees in it.We must take care of them. they say you must let children learn and find the answer () themselvesto in at for 哪一个 you must talk to your daughter and find out what's t________her you must find something to work out 这里的work是什么词性?out又是什么词性? Can flowers sing?You must be s______ to find the answer is Yes You must find it exciting working there我对这一句不太懂 为什么不用it's Can flowers sing?You must be s______ to find the answer is Yes You must find that out for yourself anyway.请问这句话是啥意思