The father as well as the three children ______ every Sunday afternoon in winter.

______ without friends ______ the most difficult challenge for Chuck while living on the island.

–What ___ the number of the students in your school?–About two thousand. A number of them_____ from England.

One third of the country _____ covered with trees and the majority of the citizens _____ black people.

A medical team, _______ 10 doctors and 5 nurses, _______ to Taiwan.