The pollution of the seas can only be prevented -------- ...

[ Conjunctions ]

The pollution of the seas can only be prevented ——– all countries follow the same policy.

A. so

B. because

C. despite

D. whereas

E. provided that

Select your answer:

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too / enough Present Continous Sentence Structure and Grammar Rules Tenses & Passive Tenses - Present and Past Intensifiers: Really vs Very Grammar, adverbs of frequency placement Modal Auxiliaries Comparatives - Superlatives

Other quiz:

Clause Markers TOEFL Grammar › View

Complete the sentence with the best clause marker:

The drumbeats with _______ the actual words of a tribal language is communicated are an traditional form of communication still today in some African tribal villages.

A. them

B. which

C. what

D. who

Indefinite Pronouns › View

Leave me alone! I don’t want to go … now.

A. nowhere

B. anywhere

C. everywhere