[ Grammar ]
Which compound sentence is written correctly?
A. Most bats are brown, and some are black.
B. Most bats are brown, but some are black.
C. Most bats are brown, yet some are black.
D. Most bats are brown, so some are black.

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Simple Present and Past TenseShould, Should not havePast Tense and Perfect TenseTenses and Word FormationConditional TensesComparatives or SuperlativesPast Simple VS Used toIntermediate GrammarEssential and Nonessential ClausesModal, Causative Verb & Elliptical StructureOther quiz:
Grammar & Vocabulary › View____ to the language center when I saw you yesterday morning?
A. Had you gone
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The mountain is steep and wide with lots of trees. Is the word mountain a concrete or abstract noun?
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Grammar › ViewShe ___________ her pencil to Mani everyday.
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The night-time temperatures were __________ but in the day I never felt cold.
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