The businessman offered a(n) __________ price for one of her collections, giving her a pleasant surprise.

His health ____ under the pressure of work and he had to stay in hospital for a month. [ ]

Quarrels often _______ between the wife and husband but they both wish to take measures to prevent them ______ happily.

The dirty water in the river _____ many problems in the past ten years.

Can you _________ English —Yes, I can.