（）你向别人询问一个问题前，你应该说：
A. Excuse me. B. Thank you.
( ) ---Come here, boys and girls. ---________.
A. OK. B. Let’s go. C. Yes, please.
( ) Excuse me , what’s this _____English?
A. on B. inC./
( )— Let’s go to Beijing______.
—Great!
A. a plane B. by train C. Great!
( )It’s ________ rubber.
A. my B. an C. /