[ Verb Agreement ]
The flock of birds (is/are) flying south for the winter.
A. is
B. are

Random Topics:
Identifying TensesIf ClausesPast Simple - Present PerfectGrammar - Imperatives and LetGrammar - Present Perfect TenseQuestion tag and + - AgreementPast Simple and Past ContinuousAdjectives and ArticlesInfinitives and ING FormsGrammar : Must (Necessity)Other quiz:
Gerunds › ViewPablo is used to eating chocolates.
A. As a subject
B. As a direct object
C. After preposition
D. Some particular verbs
Grammar › View
Pick the best adjective order to describe the noun “cap”.
A. Lola’s green hunting enormous cap.
B. Hunting green Lola’s enormous cap.
C. Lola’s enormous green hunting cap
Grammar › ViewA box ______________ round.
A. am not
B. are not
C. is not
Vocabulary & Grammar › View
Due to rapid population growth, urban residents now ___ those in rural areas.
A. outnumber
B. outdo
C. outweigh
D. oversee