Scientists could_______ a way to clean up the oceans. ...

[ Vocabulary and Grammar ]

Scientists could_______ a way to clean up the oceans.

A. do

B. discover

C. make

Select your answer:

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My father ………………… the car every Saturday. (not clean)

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Grammar › View

A very friendly taxi driver drove us into town.

DRIVEN

We ………………………………. a very friendly taxi driver.

A. got driven into town by

B. were driven into town by

C. had driven into town by