Antonyms

Polluted water and increased water temperatures have driven many species to the verge of extinction.

• A. enriched

• B. contaminated

• C. purified

• D. strengthened

The story told by the teacher amused children in the class.

• A. frightened

• B. saddened

• C. jolted

• D. astonished

You should put yourself on the back for having achieved such as high score in the graduation exam.

• A. criticize yourself

• B. wear a backpack

• C. praise yourself

• D. check up your back

The machine has been out of order since last month.

• A. under repair

• B. functioning well

• C. sold out

• D. refusing orders

A chronic lack of sleep may make us irritable and reduces our motivation to work.

• A. uncomfortable

• B. responsive

• C. calm

• D. miserable

John was so insubordinate that he lost his job in one week.

• A. understanding

• B. fresh

• C. obedient

• D. disobedient

The new laws to conserve wildlife in the area will come into force next month.

• A. eliminate

• B. protect

• C. pollute

• D. destroy

It gives out light, but not heat and so is safe to use near inflammable liquids.

• A. difficult to burn

• B. easy to burn

• C. sunburnt

• D. semi-burnt

To be honest, I go to the museums once in a blue moon.

• A. from time to time

• B. once in a while

• C. very often

• D. seldom

It is widely known that the excessive use of pesticides is producing a detrimental effect on the local groundwater.

• A. useless

• B. fundamental

• C. harmless

• D. damaging