I have told you the truth. ________ I keep repeating it?
| A．Must | B．Can | C．May | D．Will |
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 |
It is a mainly dry country with only a few coastal areas that have ____ rainfall to support a large population．
| A．desperate | B．stubborn | C．violent | D．adequate |