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71. Look! There are _____ grazing over there.

A. two cattles                                 B. two head of cattles   

C. two cattle                                  D. two heads of cattle

Look! There are _____ grazing over there.

A. two cattles　 B. two head of cattles C. two cattle　 D. two heads of cattle

71. Look! There are _____ grazing over there.