It’s time you changed your attitude ___ your studies, for the time is running out.
–Where can we park ___ car? –Don’t worry. There’s sure to be ____ parking lot nearby.
—Do you often go to the gym? You look fit.—On the contrary, seldom ____ in my spare time.
Hearing the disappointing news, he was too sad to ____himself.
Any packet __ properly will not be accepted by the post office.
—Cheap food means that everyone can afford to eat well.—___.But what about the long-term effect on the environment?