---What _________ to the building? ---It _________ when all the people were sleeping.
A.has happened; was broken in | B.was happening; was broken down |
C.was happened; broke into | D.happened; was broken into |
---What _________ to the building? ---It _________ when all the people were sleeping.
A.has happened; was broken in | B.was happening; was broken down |
C.was happened; broke into | D.happened; was broken into |