I think ___ knowledge of the Internet is ____ must in our work today.
| A．a…..a | B．the….an | C．the….the | D．/…an |
Though he was____ trouble after he was wounded, he managed to escape____ caught by the enemy.
| A．out of ; being | B．in ; being | C．on ; to be | D．in ; to be |
The person you had been thinking highly ________ dishonest.
| A．of proving | B．of proved | C．of to prove | D．of being |
It’s widely accepted that young babies like to do things because certain acts lead to ________.
| A．rewards | B．prizes | C．awards | D．results |
The house I grew up_______ has been pulled down and replaced by an office building.
| A．in it | B．in | C．in that | D．in which |
He made up his mind to devote all he could to _______the poor.
| A．help | B．helping | C．helped | D．helps |