A good coach needs to know and make good use of each player’s_______ to make the team competitive.
| A．sides | B．benefits | C．strengths | D．qualities |
Scientists ______ thousands of chemicals before they decided on the right one in the end.
| A．tried out |
| B．found out |
| C．worked out |
| D．turned out |
What Mr. White said sounds ______ .
| A．friendly |
| B．wonderfully |
| C．pleasantly |
| D．nicely |
It's obvious that the experiment ______ a great success.
| A．kept |
| B．showed |
| C．proved |
| D．remained |
To their great ______ , Tom's problem proved not to be as serious as they had feared.
| A．happy |
| B．worry |
| C．anxiety |
| D．relief |
______ we had read your letter ______ the true state of affairs.
| A．It was until; that we understood |
| B．It was not until; that we understood |
| C．Until; did not we understand |
| D．Not until; we understand |