If we _________ now to protect the environment, we’ll live to regret it.
I don’t smoke now, but I ____for almost ten years.
The dying man is _____ the help of the doctor.
To read a novel before going to bed seems to me a rule ____.
—Tom isexperienced in driving than Jack. —,neither passed the test.
— Whenever you are short of money, just come to me. —