---Try to remember to turn off the light when you leave the room.
---I’m trying to expenses.
| A．keep off | B．keep down | C．keep out | D．keep from |
China is a peace-loving country and under ____ circumstances ____ first use nuclear weapons.
| A．no; will China | B．no; China will |
| C．all; will China | D．all; China will |
being fun and good exercise，swimming is a very useful skill．
| A．Apart from | B．As good as | C．In addition | D．As well |
—Shall he come today or tomorrow?
—Up to him．It makes no to me．
| A．meaning | B．trouble | C．relation | D．difference |
I wouldn’t want to go back an employee now that I have been self-employed．
| A．to be | B．have been | C．be | D．to being |
Our enemy bills have been increasing steadily． these costs，our telephone costs have doubled over the past six months．
| A．Moreover | B．In addition to | C．As a result of | D．Contributing to |