[ Subject Verb Agreement ]
Rising levels of carbon dioxide in the atmosphere ______ the growth of trees but ______ trees to die younger.
A. increases, causes
B. increases, cause
C. increase, cause
D. increase, causes
Select your answer:

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Sentences Function and StructureComparativeProgressive Verb TensesFuture SimpleDegrees of AdjectivesCorrelative ConjunctionPresent Simple Tense PassiveTravel VocabularyGrammar-Verbs & Nouns Singular, Plural, GenderSentence Structure and Verb TensesOther quiz:
Conditionals and Modal Verbs › ViewChoose the correct option: You ___ forget to bring your lunch tomorrow.
A. can
B. must not
C. should
D. might
Adverbs › View
Use an adverb to modify the verb in this sentence: The birds chirped ________.
A. quickly
B. quietly
C. loudly
D. happily
