If you can't solve the problems ______,try to ask for he

If you can't solve the problems ______,try to ask for he 一道英语选择题：Try to solve the problems one ______ 歌词是if i could always for the night you don't even ask to try If you try to solve these problems,you may learn _____from i If you try to solve these problems,you may learn _____from ( You can ask the manager for advice if a problem similar to t If you l() the wayin the stree,you can ask the police for he If you still can't find it,you can ask the police for help.H You can ask Tom if he is going to the supper 也可以说if he will If you( )too much ,you can't be happy in the life.A.ask for ask if you can sit down for a family meeting to talk about t We can't hope to solve all the ecological problems,____arise