[ Grammar - may/might/could ]
Ann _____ be in her office right now. All the lights are off.
A. mustn’t
B. can’t
C. needn’t
D. doesn’t have to

Random Topics:
So, Such, Many, MuchTOEFLMay, MightPast Simple & Past ContinuousModal Verbs in ConditionalsCoordinate ConjunctionComparative and SuperlativesAdverbial Clause of Cause and EffectPast Tense (Regular and Irregular)Coordinating & Subordinating ConjunctionsOther quiz:
Grammar › View__________ studying law, she also works as a part-time tutor.
A. As
B. Besides
C. Although
D. Between
Conjunctions › View
Choose the correct conjunction
He was tired, _____ he kept working.
A. but
B. because
C. or
Grammar › ViewChoose the BEST preposition for the sentence:
_______ the chair sat our sleepy kitten.
A. Between
B. Beneath
C. Among
D. Over
Vocabulary › View
George is brilliant at working with computers, but he is __________ at simple addition.
A. Assemble
B. Disgruntled
C. Inept
D. Synagogue
E. Recuperate
