You must have your luggage __________ ( weigh ) at the airport.
The police ______ the murderer everywhere when he suddenly appeared in the theater.
_______ of the land in the district _____ covered with trees and grass.
He is the only one of the students who ______ a winner of scholarship for three years.
Two thirds of the water ______ (have) been used but still two thirds of the people _____(be) short of fresh water.
The father as well as three children ______ skating on the frozen river in winter.(go)