Health problems are closely connected with bad eating habits and a __________ of exercise.
That is the only way we can imagine ______ the overuse of water in students’ bathrooms.
______ the breakfast room, there is also a cozy bar where guests can enjoy afternoon tea.
——May I go to play football with Mike now, Dad? ——No, you can’t go out ______ your homework is being done.
It is said that Chinese eat ______ vegetables per person today as they did about 30 years ago.
Some people fear that ______ air pollution may bring about changes in ______ weather around the world.