There______many birds around here,but now we can't see them any m_英语解答

There______many birds around here,but now we can't see them any more.
A.use to B.used to have C.used to be D.are
选择哪项?为什么?

人气：250 ℃　时间：2020-06-08 04:41:02

解答

选B
used to 过去（常常）
used to be 过去曾是.
used to have 过去曾有.
D 若改为were也可