The final examination is coming up soon.It’s time for us to___our studies
| A．get down to |
| B．get out |
| C．get back for |
| D．get over |
The president’s ____ is $300,000 a day.
| A．pay | B．salary | C．wage | D．money |
The little boy is clever.He has _____.
| A．brain | B．a brain | C．the brain | D．brains |
Biology is ____
| A．science of life | B．science of the life | C．the science of the life | D．the science of life |
“Theory is something, but practice is ___” said he.
| A．something | B．everything | C．nothing | D．anything |
Mr. Li has ordered ___ for the school lab.
| A．three equipments | B．three pieces of equipments |
| C．three pieces of equipment | D．three pieces equipment |