[ Grammar ]
Great numbers of tiny shelled animals ………….. on the ocean floor.
A. live
B. living
C. they will live
D. if they lived
Select your answer:

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Grammar › ViewMy mom is ___________ honest woman.
A. a
B. an
C. the
Modal Verbs › View
John ________ your car keys. He hasn’t even left the house.
A. can’t take
B. mustn’t take
C. can’t have taken
