Erosion, which washes away valuable topsoil, can be prevent by ...

[ Grammar ]

Erosion, which washes away valuable topsoil, can be prevent by planting trees and grass. Which one is incorrect word/phrase?
A. washes
B. can be
C. prevent
D. grass

Select your answer:
A B C D E

Random Topics:

Because / so Present Perfect: for/since 3rd Person Singular Preposition of Place Transitive and Intransitive Verb Order of Adjectives Passive Voice in Past and Present Tense Verb Tenses and Usage Adjectives and comparisons Superlatives

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A. will rise

B. will have risen

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