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

The date of a business letter is included in the greeting. heading. inside address. margin.

How will charlie most likely change after his experience at the diner in part 2 of "flowers for algernon"? he should be kind to each person who crosses his path. he will be more sympathetic to those who are similar to the way he once was. he will attempt to the dishwasher receive the surgery he was given. he will react the same way each time he sees someone being treated unfairly.

Nthis poem by ruskin bond, what does the use of the word heart-beats suggest about the narrator's attitude toward life?