The writer and teacher as well as some of the students_____ a chance to go abord last year.

It is said that the number of doctors invited to the meeting _____100, but a number of them _____ absent for different reasons.

There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.

Large quantities of polluted water_____ into the sea so that lots of fish died. 

— How much are the two pairs of trousers? — They are not expensive. I think one hundred dollars ______ enough.