What is this?It is a book.What are these?They are books.What is that?It is a notebook.What are those?They are notebooks.I am a student.We are students.You are a teacher.You are teachers.He is a farme
Is this a pen?Yes, it is.It is a green pen.It that a pencil?Yes, it is.It is a red pencil.Is this a desk?No, it isn't.It is a table.Is that a pick?No, it isn't.It is a spade.These are des...
This is a pen.Is this a pen?That is a pencil.Is that a pencil?This is a desk.Is this a desk?That is a table.Is that a table?This is a disc.Is this a disc?That is a tape.Is that a tape?这是一支钢笔。这
a pen pensa map mapsa pet petsa spade spadesa letter letters一支钢笔 钢笔（复数）一张地图 地图（复数）一只宠物 宠物（复数）一把锹 锹（复数）一封信 信（复数） NOTES TO THE TEXTa spade / spades (1) 可数
