Adverb Clauses (Cause & Result, Past Time)

The environment is changing ____________ humans are burning fossil fuels.

• Because

• as

• as

• owing to

Toxic gasses are being released into the air ____________ petrol cars.

• Because

• Because of

Crops are not growing ____________ pollution in the soil.

• Because

• Thanks to

• Because of

• As

She passed the test ……. she had a good teacher.

• Because

• Since

• Such

• While

............................. the terrible weather, we decided not to walk home.

• Due to

• As

• Since

• Because

Since the weather was cold, we stayed at home and watch TV. Due to ___________, we stayed at home and watch TV

• th weather cold

• the cold weather

• weather cold

• the weather was cold

_______ I was waiting for my bus, I heard someone calling me, but there was nobody around.

• Once

• While

• Everytime

• After

The village will have no electricity ______ a new generator is installed.

• Until

• When

• Since

• As soon as

We can leave ______ the taxi gets here.

• As long as

• while

• As soon as

• Before

Please turn off the TV ______ you left the room.

• When

• Before

• After

• Until