There _______ a pen and some pencils on the desk.

A series of books in the library ____ been stolen so that the number of them ____ smaller than before.

For  _______information about present national boundaries, we’d better refer to an up-to-date map.

—Hurry up!(快点) There           an NBA basketball game in ten minutes.—OK.

Not only she but also Dick and I _______ interested in maths.