读问题，选择正确的回答。 
（____） 1. Hello, Mocky.

A． No, it isn’t.  
（____） 2. Are these potatoes?

B． Hi, Lulu. 
（____） 3. Is it a mushroom?

C． Good morning, children.  
（____） 4. What’s that?

D． Yes, they are.
（____） 5. Good morning, Uncle Booky.
E． That’s a carrot.

按要求改变句子：
1、I want an apple. ( 划线提问 )
____________________________________________
2.、I like robots. (一般疑问句，否定回答 )
____________________________________________
3、My sister is four years old. ( 划线提问 )
____________________________________________
4、The bananas are eleven yuan. (划线提问)
____________________________________________
5. Where can you play basketball? (在操场)
____________________________________________

—Are you hungry, Jenny? ( )
—________

A．Yes! I’m very hungry.

B．No, thanks.

连词成句。
（1）do know any in you great the inventions world
__________________?
（2）are going what to you invent
___________________?

—Must we save paper? (   )  
—I'm afraid we .

A．need

B．needn't

C．must

D．mustn't