Ms. Garcia was leading a tour of the gallery when the fire alarm sounded.
This is correct because it is the only sentence where the verbs match tenses.
The moon was a ghostly galleon tossed upon cloudy seas
In terms of the first question, "They" would be an objective pronoun, but it should be noted that this does not have to be so. for the second, the answer is "my".
Answer:
1. Sleeping through the night is difficult for me.
2. Making noise is what happy children and almost all teenagers do best.
3. Watching bad television defined my teenage years.
4. Running with scissors on a slippery floor was a terrible idea.
5. Travelling across France should be a rite of passage for all writers.
Answer:
The correct answer is adverb claus