I just don’t understand ________ that prevents so many children at school from being as happy as one might expect.
China is a peace-loving country and under ____ circumstances ____ first use nuclear weapons.
being fun and good exercise,swimming is a very useful skill.
—Shall he come today or tomorrow? —Up to him.It makes no to me.
I wouldn’t want to go back an employee now that I have been self-employed.
Our enemy bills have been increasing steadily. these costs,our telephone costs have doubled over the past six months.