I suppose that when I come back in twoyear’s time all these old houses will ____ down．

The number of people visiting the exhibition ______ 50, and a number of them ____ painters.

I don’t like talking on _______ telephone; I preferwriting _______ letters

These days I feel exhausted and lack strength.—That’s _____too much drinking and poor diet lead.

I am afraid there’s __________with the computer. Canyou come and have a look?