latent, catalyst, accomplice, stagnant, morose, arbitrary, rebut, paramount, servitude, facilitate
- n. a person who takes part in a crime - ..............................
- adj. unreasonable; based on one's own wishes or whims without regard for reason or fairness - .............................
- n. a substance that causes or hastens a chemical reaction; any agent that causes change - ................................
- v. to make easier, assist - .............................
- adj. hidden, present but not realized - ...............................
- adj. having a gloomy or sullen manner; not friendly or sociable - ..............................
- adj. chief in importance, above all others - ...........................
- v. to offer arguments or evidence that contradict an assertion, to refute - ...........................
- n. slavery, forced labour - ........................
- adj. not running or flowing, foul from standing still, inactive, sluggish, dull - ...........................
2. From the words in the previous exercise, choose the one that best completes the following sentences.
- When he was suddenly deprived of everything he valued in life, the poor man became extremely gloomy and _________ .
- After the opposing speakers had both presented their cases, they were allowed time to _________ each other's arguments.
- Though they had been there all along, Grandma Moses did not discover her ___________ artistic talents until well into her seventies.
- In large areas of the huge swamp, there were ________ pools of water covered with unmoving masses of green slime.
- Even though the youngster did not actually steal he vehicle, he acted as one of the thief's ____________.
- The helpful librarian did much to __________ the research for my term paper.
- In certain industrial processes, __________ speed up the desired reaction by lessening the amount of energy needed to produce it.
- No matter what make of automobile you have, it is of ___________ importance that you learn to drive safely before you use it.
- Many people came to the New World after they had been sentenced to terms of penal ____________ for crimes they had committed.
- In guaranteeing the right to "due process of law", the Constitution protects Americans against ___________ arrest and imprisonment.
- cheerful, jaunty, buoyant - ...................
- freedom, liberty - .................
- secondary, subordinate - ......................
- to confirm, corroborate, substantiate - .................
- to hamper, hinder, obstruct, impede - .....................
- reasoned, rational, objective - ......................
- flowing, running, fresh - ....................
- exposed, evident - ....................

You will find the Key in the first comment.