[ Tenses ]
Which sentence uses the Present Perfect Continuous Tense correctly?
A. The cows are eating grass in the field.
B. The cows have eaten grass in the field all morning.
C. The cows have been eating grass in the field all morning.
D. The cows will eat grass in the field later.

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a. blow-by-blow
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Grammar › View
He has to _________________ the plants twice a day.
A. water
B. waters
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