[ Subject Verb Agreement and Tenses ]
The flock of birds fly across the sky every morning.
A. The flock of birds fly across the sky every morning.
B. The flock of birds flies across the sky every morning.
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A. safer
B. safest
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Present Tenses › View
He ______ (not finish) his homework yet.
A. has not finished
B. finished
C. is finishing