There a river in front of my house.A. used to haveB. was used to beC. used to beD. was use

问题补充：

There a river in front of my house.

A. used to have

B. was used to be

C. used to be

D. was used to being

答案：

A. used to have

B. was used to be

(答案→)C. used to be

D. was used to being

解析：句意：在我家的前面过去有条河。There be是一个固定句型。Used to do sth过去常常做某事。Be used to doing sth习惯于做某事。所以选C。