【题目】根据中文提示填空。
【1】Mike likes flying a ______(风筝).
【2】We can take the bus and the ______(地铁) to school.
【3】The trees ______(帮助) keep the air clean.
【4】Black smoke from ______(工厂) makes the air dirty.
【5】They are many ______(博物馆) in the city.
【答案】
【1】kite
【2】metro
【3】help
【4】factories
【5】museums
【解析】
略
