---Why, Emily, you look so energetic!
---Well, I ______ in the gym for a slim figure so far.
| A．am working out | B．had been working out |
| C．worked out | D．have been working out |
For a long time, he hesitated whether he should tell us ____ what had happened．
| A．at dusk | B．at length | C．at present | D．at stake |
In the future, care for the environment will become very important as earth’s natural resources _____．
| A．add up | B．set down | C．close up | D．run out |
If you ask many different questions, you will ____ all the information you need to know．
| A．quit | B．acquire | C．convince | D．advocate |
In the Olympic Games, only athletes who have reached the agreed standard for their event will be ______ as competitors．
| A．abandoned | B．conveyed | C．admitted | D．advertised |
Our bodies are strengthened by taking exercise．_______ our minds are developed by learning．
| A．Similarly | B．Recently | C．Truly | D．Frequently |