2、syourgoodfriend.4.Ithinkitisrudetoaskastrangerquestionsabouthis_____________ life.(私人的)5.We should try our best to keep the _____________ (平衡) of the nature .6.Whatapityitisthatmorethantenpeoplelosttheirlives,justbecausethedriverwasarguingwithapassengerwithout_____