Grammar Quiz
[ Vocabulary ]

Pollution can have serious effects_________ the balance of ecosystem.

A. in

B. on

C. to

D. for

Select your answer:
A  B  C  D  E 


Random Topics:

PunctuationsPresent, Past and Future TenseGrammar - Compound SentencesRegular Plural NounsPresent Perfect Tense and Simple Past TenseThere is or There areCountable & Noncountable NounsModals for ObligationPassivisationPresent Simple Affirmative and Negative

Other quiz:

Grammar › View

I saw a ___________ of birds flying in the sky.

A. flock

B. brood

C. herd

D. pack

Grammar › View

The parrot _______ be free tomorrow
A. will
B. want
C. to

Verb Tenses › View

We took off our clothes and _____ into the river.

A. jump

B. jumped

C. had jumped

D. were jumping

The First Conditional Sentence › View

If you give my dog a bone he ____________ (burry) it at once.

A. burry

B. burries

C. will burry

D. burried

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