All ______ is needed is a supply of oil.
| A．the thing | B．that |
| C．what | D．which |
－Julia, _________will your son return?
－In a week.
| A．how often | B．how far | C．how soon | D．how long |
In the past twelve months, they ___________a hit CD.
A. make B. will make C. made D. have made
Stop talking! _________the doctor will get angry.
| A．And | B．When | C．Then | D．Or |
To make us healthier, the teachers often see us ______ on the playground.
| A．took exercise | B．take exercise |
| C．take exercising | D．to take exercise |
Try to be careful. The ________you read, the fewer mistakes you will make.
| A．careful | B．more careful | C．carefully | D．more carefully |