My father has a habit of walking ________ theriver for an hour in the morning.

— How many people are expected to come to your party tomorrow afternoon– I send out thirty invitations but one third _____.

How long do you think it will be___ the Stock Market returns to normal?—At least one year, I guess

The white building across the street, _____ roof has been seriously damaged in the hurricane, belongs to a hospital.

Your city looks beautiful. —Yes. Lots of trees and grass _______last year.