1.this is a sandwich.(改为复数形式)these___.2.do you often play fo

1.this is a sandwich.(改为复数形式)these___.2.do you often play fo This is a box.改为复数形式 This is a pen.(改为复数形式) this is a book改为复数形式 This is a cat.(改为复数形式) 句型转换。 1. This is a tomato. (改为复数形式) here is a recipe for a great turkey sandwich.(改为复数形式) Here's a recipe for sandwich 【改为复数形式】 I have got a sandwich 改为复数形式 This exercise is easy to do.(改为复数形式) 1.--Where do you often play?--I often play ( ).2.--l have a 1.This is a box.(改为复数形式) this’s a boxs.