[ Speculation with Modal Verbs ]
What’s that noise? I’m not sure, it …. be the dog.
A. must
B. could
C. can’t

Random Topics:
Definite and Indefinite ArticlesMixed GrammarDegrees of ComparisonPresent Perfect: for/sinceNoun PhrasesPassive Voice with Modal VerbsRelative Pronouns with PrepositionsVerbal CommunicationTenses and StructuresSimple Present VS Present ContinuousOther quiz:
Tenses › ViewObama: How long have you worked in this company? Nora: On May 1, I … here for 4 years. Obama: That’s a long time.
A. Will work
B. Will be working
C. Will have worked
D. Will have been working
Vocabulary and Grammar › View
They are building a nuclear ___________ near my town.
A. factory
B. station
C. power plant
D. industry
Adjective › ViewWe were ______ by his talk.
a. stimulating
B. stimulated
Grammar › View
Identify what the underlined word is in the sentence.
Grace cleaned up the broken glass
A. Gerund
B. Infinitive
C. Participle
