there--------a tall tree in front of the building over there,didn_英语解答

there--------a tall tree in front of the building over there,didn't there?
a.was b.would be c.must be d.used to be

人气：324 ℃　时间：2019-10-23 08:25:30

解答

.used to be 因为反问句用的是didn't there,因此要选一个过去时,而且谓语动词用实义动词的