The teachers____(set) up a calling center for parents These days,_英语解答

The teachers____(set) up a calling center for parents These days,some people_____(put up)
The teachers____(set) up a calling center for parents
These days,some people_____(put up) ads here and there.
说明理由,

人气：484 ℃　时间：2020-04-16 21:44:46

解答

The teachers__set__(set) up a calling center for parents教师们为家长成立一个呼叫中心.就用一般过去式表示成立的事实.set过去式和原形一样.These days,some people__put up___(put up) ads here and there.现在...