Grammar Quiz

[ Vocabulary ]

Pollution can have serious effects_________ the balance of ecosystem.

A. in

B. on

C. to

D. for

Select your answer:
         


Random Topics:
Present Progressiveused to vs be used to vs get used toMixed Present TensesPast Perfect vs Past SimpleHelping and Linking VerbsPassive Voice in Past and Present TenseTenses of VerbsPresent Perfect Simple & ContinuousSimple, Compound, Complex Sentences

Other quiz:

Indefinite Pronouns › View

She didn’t bring _ to the party.

A. anything

B. something

C. nothing

D. somebody


So or Such › View

His last book is not ____ interesting _____ his former one so I don’t think the book will sell as it is expected.

A. as…as

B. so…that

C. such…that


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