句型转换：they haven't come back because they are too busy.对“they are too busy”提问.--------- --------- they ----------back.一空一词.

句型转换：they haven't come back because they are too busy.对“they are too busy”提问.--------- --------- they ----------back.一空一词. 句型转换:I haven't heard from him for a long time. They've They haven’t (同义句转换,没空一词.)They haven't decided who to write to.They haven't decided ____ ____ ____ ____ to. They are chinese 句型转换 haven't they 的翻译 they haven't slow down 句型转换:They were so frightened that they couldn't move. They do homework every day.句型转换 What beautifui girls they are!句型转换 句型转换:They no longer lived there. they haven’t packed their suitcast They haven't got any l they haven't any stationary什么意思 they haven't got to leave改错 my sister has never been to america i haven't neither（　）　（　）my sister and me has been to American句型转换是my sister has never been to america i haven't either When people haven't seen each other fora long time,they might hug each other as agreeting.同义句转换When people haven't seen each other for a long time,they might ________each other ______as a greeting. 句型转换 He isn't here now.