[ Subject Verb Agreement ]
Mathematics _______ (be) a difficult subject for some students.
A. are
B. is
C. be
D. was

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Vocabulary › ViewWhat word means “shortfall or deficit”?
A. Conduct
B. Shortage
C. Overheat
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If Clauses › View
What would you have done if he _____ got hurt?
A. has
B. will
C. had
D. have