.If you compare food costs today ______ of a year ago, you will find the difference.
______ you call me to say you’re not coming, I’ll keep waiting for you at the theatre.
A chair made of steel is stronger, though costs much more, than _____ made of wood.
In autumn, it’s beautiful outside with golden fallen leaves _______ the ground.
I’d appreciate _____ if you would like to teach me how to use the computer.
Always read the ______ on the bottle carefully and take the right amount of medicine.