Grammar Quiz
Topics: Passive Voice

Polio vaccines ___________________ in Brazil since 1980.

A. are given

B. were given

C. have been given

D. give

Select your answer:
         


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Other quiz:

Grammar › View

If you heat water, it …………………………………………. .

A. boils

B. boil

C. boiling

Passive Voice › View

These birds _______________ in Canada. (not / usually / see)

A. isn’t usually seen

B. aren’t usually seen

C. wasn’t usually seen

D. isn’t usually see

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