1.Jack has just(finished his homework).()()jack just done?划线部分提问

问题描述:

1.Jack has just(finished his homework).()()jack just done?划线部分提问
2.How much is the plane ticket?()the()of the plane ticket?同义句
3.He went there (by plane).()()he go there?划线部分提问

what has
what's price
How did