[ Grammar ]
We want to prevent soil erosion ________ we plant trees
A. but
B. so
C. because

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Tenses and ArticleSubject Verb Agreement and Verb TensesGrammar and Verb TensesCoordinating ConjunctionsPronouns ( Interrogative )Pronouns, Sentence Structure, and ApostrophesIdiomsTenses StructurePast Simple and Past ProgressiveModal Verbs - ObligationOther quiz:
Grammar › View“Why don’t you complain to the manager, Tony?” said Paul.
A. Paul suggested that Tony complain to the manager.
B. Paul advised Tony complaining to the manager.
C. Paul suggested Tony to complain to the manager.
D. Paul asked Tony why he doesn’t complain to the manger.
Grammar › View
Tomorrow morning, both escalators in the store will be turned off periodically in order to perform _____ maintenance.
A. required
B. requiring
C. requires
D. require