Grammar Quiz

[ Tenses ]

The fossil fuels ____ air pollution significantly last century.

A. contributed

B. contribute

C. is contributing

D. will contribute

Select your answer:
A  B  C  D  E 


Random Topics:

The Past SimpleComparisionModals and Active and Passive VoicePresent Simple PassiveInfinitive and GerundsCorrelative ConjunctionFuture Tense - will and going toAdjectives Ed and IngContinuous and Perfect TensesArticle

Other quiz:

Conjunctions › View

Thomas doesn’t play the guitar, __________ he plays the drum.

A. and

B. but

C. so

D. because


Tenses › View

Which tense is used to describe an action that will definitely happen in the future?

A. Future Simple

B. Future Perfect Continuous

C. Future Continuous

D. Future Perfect

Passive Voice › View

Up to now, the equipment ____ regularly, but from now on, we ____ it before every outing.

A. wasn’t checked – are checking

B. hasn’t checked – will be checking

C. hasn’t been checked – are going to check

D. isn’t being checked – should be checked


Basic Grammar › View

The plane arrived (…) the airport just on time.

A. on

B. of

C. at

D. by