[ TOEFL Grammar ]
He was the only one ___ could solve the problem.
A. which
B. whose
C. who
D. whom

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Future Continuous Tense › ViewWhat ……. the man …….tonight?
A. will, be doing
B. is, doing
C. will, doing
D. was, doing
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He looks for any excuse he can blow off his ____ to do housework.
A. commitment
B. obligation
C. assignment
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A. You’re
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Grammar › View
What’s the rule for using “who” and “whom”?
A. “Who” is always used at the beginning of a question
B. “Whom” is used for formal writing, “who” for informal
C. “Who” is a subject pronoun, “whom” is an object pronoun
D. They are interchangeable in modern English
