[ Subject Verb Agreement ]
Three ingredients in this spray _______ poisonous.
A. is
B. be
C. are
D. was
Select your answer:

Random Topics:
Conditional Sentence Type 3Can/CouldInfinitiveReported Speech and Subjunctive-ed/-ing AdjectivesTenses, Tag Questions, Phrasal VerbsModal Verbs & Time PrepositionsVerb + Infinitive or GerundClause Markers TOEFL GrammarFood VocabularyOther quiz:
Tenses › ViewShe said that Bob ___ as he ___ research work.
A. was busy / was doing
B. was busy / had done
C. was busy / have done
D. was busy / would be doing
E. is busy / will be doing
Past Participle › View
The comedian we saw last night really ___ us.
a. amusing
b. amused
c. amuse
