许国璋英语听力第一册 Lesson 4

　　Lesson 4
　　wordlist
　　yes
　　it
　　green
　　red
　　no
　　isn't
　　these
　　are
　　they
　　aren't
　　those
　　knife
　　knives
　　1
　　Is this a pen?
　　Yes, it is. It is a green pen.
　　Is that a pencil?
　　Yes, it is. It is a red pencil.
　　2
　　Is this a desk?
　　No, it isn't. It is a table.
　　Is that a pick?
　　No, it isn't. It is a spade.
　　3
　　These are desks.
　　Are these tables?
　　No, they aren't.
　　They are desks.
　　Those are knives.
　　Are those pencils?
　　No, they aren't. They are knives.