----Let’s go and listen to Mr Smith’s speech on Western culture, shall we?----_______ It’s getting to the end.
There are two American boys and ____English girl in my class.
Betty is in front of me,so I am ________Betty.
There’s old pencil on the book. pencil is mine.
-_______students are there in your class,Mr Li? -Fifty.
---How’s your mum? ---She’s .