Grammar Quiz

[ Grammar ]

In the vessels of the vascular system of the giraffe _____ of valves that ensures a needed supply of blood to the head.

A. are series

B. is seroius

C. is a series

D. a series is

Select your answer:
         


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Grammar › View

The English of Canada is similar to:

A. Australian and British English

B. French and American English

C. American and British English

D. Black and American English


Tenses › View

She ____ the cost of the project when we spoke.

A. was calculating

B. will calculate

C. calculates

D. is calculating