1- Where did the traveler keep the rucksack?’ Choose the correct option in Passive Voice. 2- The plants were watered by her. (Choose the correct Active Voice).
3- ‘She did not win the competition.’ Choose the correct Voice option in Passive.
4-Why the room was not dusted by you? (What is the Active Voice sentence?)
5-He washed the car in the garage. (Change this sentence into Passive Voice.)

its repetition emphasizing that the chain is his own. sorry if i am wrong.

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

happy to : )