变成一般疑问句和否定句!(都要写,希望快速回答)1 .This is an egg .2.That is an old clock.3.He...

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变成一般疑问句和否定句!(都要写,希望快速回答)1 .This is an egg .2.That is an old clock.3.He...
变成一般疑问句和否定句!(都要写,希望快速回答)1 .This is an egg .2.That is an old clock.3.He's my teacher.4.l'm in Class 5.

1、Is this an egg?This isn't an egg.
2、Is that an old clock?That isn't an old clock.
3、Is he your teacher?He isn't my teacher.
4、Are you in Class I am not in Class 5.