[ Grammar & Vocabulary ]
They encouraged citizens to sort waste into categories, ______ improves recycling efficiency.
A. what
B. that
C. how
D. which
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Grammar - Be going toMust Vs Have toPhrasal Verb & Prepositional PhraseNoun FormationVerbs and Subject Verb AgreementTenses and ComparisonsIrregular Plural NounsArticles - rulesVocabulary, Adjective & PrepositionPresent PerfectOther quiz:
Grammar › ViewChoose the correct word to complete the sentence: The cat chased _______ tail.
A. it’s
B. its
C. its’
D. it
Tenses › View
He is ____ black jacket today.
A. wears
B. wear
C. wearing
D. is wearing