Which word correctly completes the sentence?

As we approached the station, I was startled by a loud blast of the __________ whistle.

A.
trains'

B.
trains

C.
train's

Which word correctly completes the sentence?

As our team shouted, the __________ voices echoed throughout the stadium.

A.
players

B.
players'

C.
player's


Which word correctly completes the sentence?

We applauded the three __________ skillful performances.

A.
juggler's

B.
jugglers'

C.
jugglers