. . . the world population growing rapidly, sustainable farming practices are becoming essential.
A. With
B. Once
C. If
D. But

Random Topics:
Would rather/ would prefer/ would likeIndirect SpeechFuture - Will and Be going toSubject Verb Agreement; Indefinite PronounsVocabulary & Phrasal VerbAuxiliary VerbsClause Markers TOEFL GrammarArticles A and AnRequest with Modal VerbsPast Perfect and Past Perfect Continuous TenseOther quiz:
Comma › ViewThis test wasn’t hard but I missed some because I rushed was careless and didn’t double check my answers.
A. This test wasn’t hard but I missed some because I rushed, was careless, and didn’t double check my answers.
B. This test wasn’t hard, but I missed some because I rushed, was careless, and didn’t double check my answers.
C. This test wasn’t hard but I missed some, because I rushed was careless and didn’t double check my answers.
D. No commas needed.
Grammar › View
He ran quickly to his class because he was late. What is the adverb in this sentence?
A. quickly
B. ran
C. his
D. class
Article and Order of Adjctive › ViewWhat is the correct order of adjectives?
A. Number, size, age, shape, colour
B. Number, age, size, shape, colour
C. Number, shape, age, size, colour
D. Number, size, age, colour, shape
Grammar › View
Nga and Lan (brush) _________ their teeth.
A. brushes
B. brushing
C. brush
D. brushed
