Can you see the boy in the tree? No, I _____.

A．am not

B．can’t

C．it isn’t

D．I don’t

Did you help them clean their room? (作否定回答)
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— Ben hear a mouse? (  )
—No, he doesn’t.

A．Does

B．Can

C．Is

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

A．Yes, they are dirty.	B．No, they are.
C．They’re.	D．Yes.