[ Grammar ]
The flight attendants made all the passengers —— their seat belts during the turbulence.
A. to buckle
B. to have buckled
C. buckling
D. buckle
Select your answer:

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Verb Phrases › ViewWhat is the main verb?
We will have finished our time here at OPS.
A. We
B. will
C. have
D. finished
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He is very lonely. He doesn’t have _________ friends.
A. any
B. few
C. much
D. some
