根据句意几所给首字母,在空格内天如适当单词. 1\Ttere are books on different subjects inour school l_____ 2\You must be careful when you c_____ the road. 3\It's easy to get l_____ in a big city.Please take the map with you when you go out, 4\He got up late ,so he m_______ the train. 5\F_______ of all,you must finish your homework.