A plan has been put forward ________ more graduates should go to work in the country.
Before starting any exercise program to keep you slim and energetic, you should ______ your doctor.
Do you know the reason ___________ he was late?
Last week, only two people came to look at the house, _______ wanted to buy it.
He is wearing sunglasses to____ his eyes from the strong sunlight.
Have you heard ______ news?The price of _______oil is going up again!