Unit3 How do you get to school导学案SectionA 一重要单词subway ( ) train ( ) bicycle( ) minute ( )seventy( ) eighty( ) thirty ( ) hundred( )ninety ( ) forty (

参考答案Land: bicycle bus car lorry motorcycle train minibus (NB: the underground travels under the land)Sea: boat ferry shipAir: plane balloon helicopterCause pollution: plane boat bus car ferry helicopt