[ 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

Random Topics:
Suffixes (ing-ed) SentencesPresent Perfect TenseSimple and Continuous Present TenseNoun Phrases and Verb PhrasesPhrasal Verbs with up and downInterrogative Pronouns & AdverbsVocabulary : Coming & GoingComparativeGrammar & VocabGrammar - FragmentsOther quiz:
Prepositions › ViewI plan to work _______ I’m 65 years old.
A. up to
B. without
C. until
Degrees of Comparison › View
This city is ______ than in your city.
A. Foggier
B. The foggiest
arch(prefix) means
A. Of highest rank
B. Government
C. Curving
D. Fitting
Passive Voice › View
English ________ in many countries in Africa.
A. speaks
B. is speaking
C. is spoken
D. has spoken
