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¡¡¡¡(1) Am--was Is --was Are--were ¿Ú¾÷£ºÎÒÓÃam, ÄãÓÃare, isÓÃÔÚËûËýËü£¬¸´ÊýÈ«ÓÃare¡£

¡¡¡¡(2) ¿Ï¶¨ºÍ·ñ¶¨¾ä I am (not) from London. He is(not) a teacher. She is(not) in the dining room. My hair is(not) long. Her eyes are(not) small.

¡¡¡¡(3) Ò»°ãÒÉÎʾä Am I a Chinese? Yes, you are. No, you aren??t. Are they American? Yes, they are. No, they aren??t. Is the cat fat? Yes, it is. No, it isn??t.

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1.I ______ a boy. ______ you a boy? No, I _____ not.

2.The girl______ Jack's sister.

3.The dog _______ tall and fat.

4.The man with big eyes _______ a teacher.

5.______ your brother in the classroom?

6.Where _____ your mother? She ______ at home.

7.How _______ your father?

8.Mike and Liu Tao ______ at school.

9.Whose dress ______ this?

10.Whose socks ______ they?

11.That ______ my red skirt.