The girl sitting by the window is the only one of the students who _______ from the countryside in our class.

The number of people invited ______ fifty, but a number of them ____ absent for different reasons. 

All we need     a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.

One-third of the country ________ covered with trees and the majority of the citizens _______ black people.

There       a book and three pens in the pencil-box .