Jim spent  half an hour ______his work.

Don’t forget_____your notebook here next Monday.

______he was tired,______he didn’t stop______.

_______ milk is ________ your health.

My father always makes me _______.

You can’t imagine what difficulty we had________home in the snowstorm.

-- Shirley, what were you doing at three o’clock yesterday?
-- I was sitting by the window, __________ to the music.

The doctor did what he could __________ the dying man.

—What do you think of the museum?
—It’s great. I think it’s well worth ___________.

I prefer ____some shopping to _____ camping since the weather isn’t lovely.