. It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.
| A．that | B．that what | C．what | D．how |
The company’s employment policy makes it clear that men and women have___opportunities
| A．equivalent |
| B．identical |
| C．balanced |
| D．equal |
There are scores of books for you to choose from,and you can take___you like
| A．whatever |
| B．what |
| C．which |
| D．whichever |
___climber gets to the top first will get a $5,000 prize
| A．No matter when |
| B．Whichever |
| C．No matter which |
| D．Whenever |
The poor young man is ready to accept___help he can get
| A．whichever |
| B．however |
| C．whatever |
| D．whenever |
It is certain that he will___his business to his son when he gets old
| A．take over |
| B．think over |
| C．hand over |
| D．go over |