[ Grammar ]
What is the simple subject in this sentence: “Birds fly south.”
A. south
B. fly
C. Birds
D. fly south

Random Topics:
Grammar - may & mightPast Perfect Tense and Past TenseModal AuxiliarySubordination ConjunctionsPrepositionsWill vs Verb InfinitivesInfinitive or GerundInfinitive FormsGrammar ClausesGrammar & ReadingOther quiz:
Modals › ViewHow can you show that you are sure about a fact?
A. Avoid making any statements about the fact.
B. Use clear and strong language to show you are sure.
C. Use unclear language to show you are not sure.
D. Use language that suggests possibilities.
Grammar & Vocabulary › View
Amy can’t stand ………. aerobics; she prefers swimming.
A. to be doing
B. doing
C. having done
D. to do
Grammar › ViewHe’s lazy. He never does _____________ work
A. some
B. any
C. none
D. anything
Grammar › View
She ______ to school every week.
A. go
B. going
C. is going
D. goes
