they haven been there twice ,__ they?

they haven been there twice ,__ they? they take some food ther. They haven't been to the Water Park,either.（同义句） ___ ____ they been to the Water Park. They ____ each other for at least two months A.haven't seen B.haven't been seen They've been looking for flats but haven't found ( ) they liked yet.They've been looking for flats but haven't found ( ) they liked yet.A oneB ones这里为什么不能用ones呢? They've They haven’t （） are they? Ther are my parents. Not only his parents but also his brother___to the Summer Palace.They haven't been back.A.have been B.have gone C.has gone D.has been They have never been to Guangzhou,have they?这个句子的回答 No,they haven't.No,they haven't.是说他们没去过广州,还是他们去过广州了? 一道英语选择,These trees must have been planted three years ago,____?A weren't they B must't theyC didn't they D haven't they the clothes must have been washed by her just now,___A.didn't they B.hadn't they C.haven't they ___ haven't been to American.A.Most them B.Most they C.More of them D.Most of them haven't they 的翻译 they haven't slow down haven't been in,have/haven't been to,have/haven't gone to They will visit ther teacher tomorrow.改为一般疑问句 ther are和they're读法有什么区别? They're my...与Ther are my...有什么不同?