* winner
* photographs
* active
* dangerous
* saw
* really
These are all vocabulary and grammar exercises. The words in parentheses are clues to the correct form of the word to be used in the sentence. For example, in sentence 1, "winner" is the correct form of the word "win" because it is used to describe the person who came in first place in the marathon.
Here are some additional notes on the grammar points used in these sentences:
* Sentence 1 uses the adjective "winner" to describe the person.
* Sentence 2 uses the plural noun "photographs" to describe the picture.
* Sentence 3 uses the adjective "active" to describe the person.
* Sentence 4 uses the adjective "dangerous" to describe the sports.
* Sentence 5 uses the past simple tense "saw" to describe an action that happened in the past.
* Sentence 6 uses the adverb "really" to modify the adjective "boring.