—What _______ the number of the students in your school?—About two thousand. A number of them _______ from the countryside.

________ there any ice cream or oranges on the table?

 Either you or one of your students___________ to attend the meeting that is due tomorrow.

Two-thirds of the land ________ covered with green grass and the rest _______ covered with pine trees.

 Physics _______ an easy subject for me when I was young. I usually got high marks then.