[ Grammar ]
You’ve been traveling all day. You ____ be tired!
A. must
B. mustn’t
C. can’t
D. can
Select your answer:

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Grammar › ViewReports are coming in of a major oil spill in _____ Mediterranean.
A. a
B. an
C. the
D. No word
Grammar › View
We’ve _________ for a long time.
A. be waiting
B. been waiting
C. been waited
