[ Grammar Rules ]
Correct the subject-verb agreement in the following sentence: The birds (sing) in the trees.
A. The birds sing in the trees.
B. The birds singing in the trees.
C. The birds sings in the trees.
D. The birds singed in the trees.

Random Topics:
Relative Clauses and Past PerfectConditional Sentence Type 2Intermediate GrammarPast TensesPresent Progressive (Future)Was & Were QuestionsTenses and Time MarkersVerbs, Tenses, and VocabularyConjunctions and Sequence ConnectorsGrammar - direct/indirect objectsOther quiz:
Grammar › ViewWhich part of the sentence is the predicate? “The boy ran to the park.”
A. The boy
B. Ran to the park
C. To the park
D. Boy
Modal Verbs › View
Ted’s flight from Britain took more than 11 hours. He _____ be exhausted after such a long flight.
A. had better
B. can
C. must
D. should
Grammar › ViewHave you ever ________ to Shanghai?
A. been
B. gone
C. been in
Definite, Indefinite and Zero Articles › View
_____ Russia is ______ beautiful country.
A. A … A
B. AN … X
C. THE … A
D. X … A