来自郭立军的问题
myfatherisadoctor否定句和一般疑问句和doctor划线提问
myfatherisadoctor否定句和一般疑问句和doctor划线提问


myfatherisadoctor否定句和一般疑问句和doctor划线提问
myfatherisadoctor否定句和一般疑问句和doctor划线提问
Myfatherisnotadoctor.
Ismyfatheradoctor?
Whatisyourfather?
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ourfriendscomeAmerica否定句和一般疑问句和America划线提问
Ourfriendsdon'tcomeAmerica.DoourfriendscomeAmerica?wheredoourfriendscome?