[ Grammar ]
It is always interesting ——- people in airports while you’re waiting for a flight
A. being observed
B. observe
C. to have observed
D. to observe
Select your answer:
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Adjective vs. Adverb › ViewShe speaks so very ____.
A. Quick
B. Quickly
C. Fast
Speculation with Modal Verbs › View
Complete the sentence: She _______ have finished her homework by now, she’s been studying all day.
A. can
B. must
C. might
D. could