One-third of the country ________ covered with trees and the majority of the citizens ________ black people.
He kicked the snow his shoes before getting in.
The aged are close companions, and many of have known each other for decades.
The job market has changed and our to finding work must change as well.
__________ the experiment right, I tried again and succeeded.
---When shall we meet your cousin at the station? ---His plane took off 2 hours ago, and it _________ arrive at 5pm.