People were pulling down the old buildings at that time.(改为被动语态)The old buildings ___ ___ ___ ____ by people at that time.
问题描述:
People were pulling down the old buildings at that time.(改为被动语态)
The old buildings ___ ___ ___ ____ by people at that time.
答
were pulled down
答
The old buildings (were) (being) (pulled) (down) by people at that time.