In the early days of radio, those who reported the news were ________ to speak with standard dialects.
— Where will you start your work after graduation?— Mmm, it’s not been decided yet. I____ continue my study for a higher degree.
It is _____to spend a great deal of money on such meaningless and useless things.
____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
—I'm afraid I can’t do well in the job interview. Could you give me some advice?—______ Have confidence in yourself.
He ____enough time, otherwise he could have done it better.