当你想让对方打开书时,你可以说:A.Open your book. B.Close your book. C.Show me your book.
Are you going toplay Ping-Pong _______ football?
The boy is sitting_______her father and mother.
It's a quarter_______six. Let's go home.
What's the matter_______ you, Linda?
How much _______ have you got?