Look,that is our new school building.There _____ old low houses.

问题描述:

Look,that is our new school building.There _____ old low houses.
Look,that is our new school building.There _____ old low houses.
A.used to B.used to be C.used to have D.used to having

B
used to 过去常常,可译为:看,那是我们的新教学楼.那里曾是一些低矮的老房子.
There+be这是一个固定句式,there后面不可以用have