To prepare sanctions; warn
Here are the answers to the given sentences above:-No one answered the ad but me. It is used as PREPOSITION.-There is but one choice to make in this case. It is used as an ADVERB.-Sadie said she would go but she had to bring her sister. It is used as a CONJUNCTION
Answer:
1. an unsolved mystery
3. a love story
4. an action-packed story
5. a story about the future
Explanation:
hope it helps :)
Megadiverse country i wud say Austrailia