Starlight 10 Module 4 WB p. 59

The hole in the ozone layer ________ by mankind’s use of dangerous gases.

• is causing

• was causing

• has caused

• was caused

He’s going to take a map in case he ______ lost.

• gets

• will get

• would get

• got

_______ been told about the effects of driving a petrol car, I would have bought a hybrid one instead.

• Had I been

• I had been

• Had I

• I had

Robbie ______ eat meat and neither will Kevin.

• will

• can

• does

• won’t

If the government _______ with environmental groups more, we would be able to stop global warming.

• collaborated

• has collaborated

• have collaborated

• will collaborate

We should stop ______ our cars so much.

• use

• to using

• to use

• using

Tests ________ conducted by scientists recently to determine the causes of global warming.

• will have been

• had been

• were being

• have been

If only I had known about the thunderstorm, I ______ turned off my electrical appliances.

• would have

• would

• wouldn't

• wouldn’t have

No proof of the effects of noise pollution on fish ______ found.

• must be

• could be

• would be

• should be

If he doesn’t start eating healthily, he _____ become ill.

• wouldn't

• would

• will

• won't