I____ a worker,but now i am an actor.A used to being B was used to be C was used to being

问题描述:

I____ a worker,but now i am an actor.A used to being B was used to be C was used to being
D used to be

D 固定用法‘过去常常……’plastics and chemicals will not____for hundred of years.they pollute the air,the land and the water.(appear) 好了采纳disappear 消失