сделай

Short answer:

1. camera — I like taking photos with my camera.
2. concert — We went to a concert last night.
3. museum — We visited a museum on Saturday.
4. actor — The actor was very good in the film.
5. bridge — The bridge goes over the river.
6. shout — Please don’t shout in the classroom.

Why:

1. Mountain, ocean, waterfall are natural features; camera is an object.
2. Wilder, higher, deeper are comparative adjectives; concert is a noun.
3. Helicopter, motorbike, taxi are means of transport; museum is a place.
4. Friendly, clever, worried are adjectives; actor is a noun.
5. Heavy, light, hard are adjectives; bridge is a noun.
6. Path, flowers, grass are things in nature; shout is an action.