1. waterfall (mountain/ocean/camera/waterfall)
Sentence: The waterfall was beautiful.
2. concert (wider/concert/higher/deeper)
Sentence: We went to a rock concert.
3. taxi (helicopter/motorbike/taxi/worried)
Sentence: I took a taxi to the airport.
4. center (center/friendly/clever/worried)
Sentence: Let's meet in the city center.
5. bridge (bridge/light/rainy)
Sentence: The bridge is very old.
6. shout (path/flower/shout/gross)
Sentence: Please don't shout.