He ( ) up at seven yesterday morning.Aget Bgets Cgot ( )they go to school late yesterday A.Do

问题描述:

He ( ) up at seven yesterday morning.Aget Bgets Cgot ( )they go to school late yesterday A.Do
B.Did C.Were

C后面有特定的过去时间,所以用过去式.
B后面有特定的过去时间,所以用过去式.切动词为go,所以前面需要一个过去的助动词.