he doesn't come from the USA和he isn't from the USA的区别是什么?

he doesn't come from the USA和he isn't from the USA的区别是什么? Your pen pal ()() from the USA. A.isn't；come B.doesn't;come he is from the usa 可不可以改成he come from the usa He's from the USA 划线提问：the USA Does Jack come from the USA? No,he comes from E_____. Judging from his a________,he must be from the USA. He comes from the USA.He is a doctor. they come from the USA,对the USA 提问 He doesn't come from Beijing.助动词用doesn't 而不用isn't是不是因为come 是 He doesn't come from the United kingdom.(改为同义句）.有三种改法,求.He _ Bush is the president of the USA now,isn't he?__ Jack comes from the USA.He 1 in Los Angeles