Do as directed in parenthese

Exercise:Do as directed in parenthese (làm theo yêu cầu trong ngoặc)

1) There are many posters(in/at/on/from)the wall.

2)The school í in front of the park--> The park...........................

3)There arent (Some/any/a/an)lamps in the room.

Ai giỏi tiếng anh giải giúp mình với!