used to 过去常常,在这里作动词、句子的谓语
所以选B
如果要选A,应该问:
You and jack were unfriendly with each other ,is it true?
So we were,but it is different now.
You and jack (used to be) unfriendly with each other?
So we did.(对应used to be)
used to 过去常常,在这里作动词、句子的谓语
所以选B
如果要选A,应该问:
You and jack were unfriendly with each other ,is it true?
So we were,but it is different now.
You and jack (used to be) unfriendly with each other?
So we did.(对应used to be)