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

Random Topics:
Modals of Necessity and SuggestionGrammar: Imperative and Exclamatory SentencesConditional Sentence Type 2Tenses and Word FormationVocabulary and Verb TensesPronouns and Antecedents-Ing and Infinitive Verb PatternsSimiles, Metaphors, Personification and HyperbolePast Perfect vs Past SimplePassive SentencesOther quiz:
Grammar › ViewParaphrasing & Summarizing – Select the correct option
__________ is/are approximately the same length as the original.
_____
A. A paraphrase
B. A summary
C. Both
Comma › View
Choose the sentence with the correct comma placement.
A. Jeremy, and I, have had our share of arguments.
B. Jeremy and I, have had our share of arguments.
C. Jeremy and I have had our share of arguments.
D. Jeremy and I have had, our share of arguments.
Everybody _____ it will be sunny on Saturday.
A. hope
B. hopes
C. Is hope
Grammar: Have to › View
You ____________ wear a mask in your house. It’s not necessary.
A. have to
B. has to
C. don’t have to
D. doesn’t have to
