[ 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:
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