[ 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.

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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:
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A. was cleaning – was feeding
B. cleaned – fed
C. was cleaning – fed
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Grammar › View
I think Sam planned (have) _____________ another meeting.
A. to have
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Definite, Indefinite and Zero Articles › View
_____ Russia is ______ beautiful country.
A. A … A
B. AN … X
C. THE … A
D. X … A