Because

_________ there are new power stations on the outskirts of town, storms are increasing.

• because

• because of

There is a decrease in air quality __________ petrol cars are emitting toxic gasses.

• because

• because of

There is less food in the market __________ crops cannot grow.

• because

• because of

The environment is changing ____________ humans are burning fossil fuels.

• because

• because of

I'm asking you ... I want to know your opinion.

• because

• because of

• due to

• owing to

I was late this morning ... the traffic.

• because

• because of

• as

• since

I cannot come ... the weather.

• because

• because of

• as

• since

She can't drive ... her blindness.

• because

• because of

• since

• for

John will wear my jacket ...... the weather is so cold.

• Because

• Because of

I’m afraid to be home alone ...... the ghost story I’ve heard before.

• Because

• Because of