They have____a fire station.( visit )

They have (visited) a fire station.( visit )
(B.about,during)Miss Guo is thinking ____ things that may happen _____ the fire drill.
A.about,of B.about,during C.of D.over,to
The people living in mountains cook food [ with wood ] (划线提问）
(How do) the people living in mountains cook food?
Most stuents have lunch in the school.(否定句)
Most stydents （do not） have lunch in the school.

1.visited 解析：have sth done 本身就有被动的意思
have the bike repaired
修自行车
have been done是已经被做了
The flower has been watered.
花已经被浇过了。
have done 是一般的现在完成时
I have done my homework

1.visited
2.D
3.how does
4.do not