当Sam想向别人介绍自己的名字时,他可以说:________A. I’m a boy. B. My name is Sam.
What shape is it? It’s a ____. A. green B. goodC. square.
Are you Mr. Frank? Yes, ____. A. I amB. we areC. you are
They go _____ a picnic in spring. A. forB. onC. to
Who’s ____ father? The man in gray. A. you B. yourC. you are
_____ orange, please? A. AnB. \ C. A