Grammar Quiz

[ Tenses ]

The extinction of certain species ____ scientists for years.

A. has worried

B. worries

C. is worrying

D. will worry

Select your answer:
A  B  C  D  E 


Random Topics:

Infinitive FormsSuch...that, so ......thatSimple and Progressive Verb TensesAdjectives Ed and IngSynonymWishes & Reported SpeechPast Tense, Recount Text, and Future TenseContinuous TensesModals and InversionImperative Sentences

Other quiz:

used to vs be used to vs get used to › View

I’m not used to ____ up this early.

A. get

B. getting

C. gets

D. got


Simile, Metaphor or Personification › View

The rained puddled at the door and washed anyone who entered with its splatter.

A. Simile
B. Metaphor
C. Personification