—Is this your baseball, David? —No, it's not . It's Helen's.
看一看,找出不同类的单词。
—Can you me your photos after the school show? —Yes, sure. A. tell B. buy C. show
She is at singing. And I can play the guitar . A. well; good B. well; well C. good; well
— . Is this your pen ? —Yes, it is. A. I am sorryB. Excuse me C. Hello
My mother very busy weekends. A. does usually; at B. is usually; on C. usually is; on