Mr Green is……English.为什么在English前不加冠词?

Mr Green is……English.为什么在English前不加冠词? My English teacher is Mr Green.对Mr Green提问 Is Mr Green English?作否定回答 Mr Green is my English teacher.He t______us English well. 连词成句 Green,our,teacher,English,is,Mr. Mr Green is our teacher.He_(teach)us English mr Green is an english teacher否定句 Mr Green is an English teacher怎么改成一般疑问句 whose Mr Green?he is my english teacher改错题 MR GREEN TEACHES OUR ENGLISH This is Mr Green Mr Green is to English and he is English 哪里错误 Mr.Green teaches English in this school(同义句转换）Mr.Green is ____ ____ ____ in this school mr.green is mrs.green is （ ） the girl is very lovely.感叹句 mr green is our english teacher .同义句 Mr.Green is ______ teacher.He is ______ English teacher.写什么 the girl is very lovely.感叹句 mr green is our english teacher .同义句 Is mr green your u_____?