—“What courses are you going to take next semester if you want to receive enough credits to get your degree?”—“I don’t know. But it’s about time      on something.”

If you _____ stop smoking , you can only expect to have a bad cough .

The results of the medical checkup suggested that my father ______ in poor health, so the doctor suggested that he ______ smoking and take more exercise.

Look at the trouble I’m in. If only I         your suggestions.

－Will you accept the job offer?－If I       five years younger, I       it.