In my opinion,life in the twenty-first century is much easier than _______.
We ___ to start our own business, but we never had enough money.
—We could have walked to the doctor’s; it was so near. —Yes. A ride ___ at all necessary.
— Are you going to the ball tonight? —It’s too late now. How I wish ___ about it earlier.
_____ the fog, you would find the beautiful tower in the distance easily.
Without the air to hold some of the sun’s heat, the earth at night ___, too cold for us to live.