Topics: Modal Verbs
The lights ___ be off because of a power outage. I don’t see other houses with lights on.
A. must
B. could
C. can’t
Select your answer:

Random Topics:
Verb Patterns / IngPast Narrative TensesPresent TenseOffer and SuggestionConditional Sentences Type I, IIgoing toPresent Simple with Adverbs of FrequencyCoordinate ConjunctionTOEFL Adjective and AdverbParts of Speech and GrammarOther quiz:
Grammar › ViewMy new job involves me ___ to North America two or three times a year
A. Travel
B. To travel
C. Traveling
Future Tenses › View
Next Saturday I (play) an important football match.
A. will play
B. am going to playing
C. play
D. are playing
