[ Grammar & Vocabulary ]
They encouraged citizens to sort waste into categories, ______ improves recycling efficiency.
A. what
B. that
C. how
D. which
Random Topics:
Grammar - Be going toMust Vs Have toPhrasal Verb & Prepositional PhraseNoun FormationVerbs and Subject Verb AgreementTenses and ComparisonsIrregular Plural NounsArticles - rulesVocabulary, Adjective & PrepositionPresent PerfectOther quiz:
Present Tenses › View. Fill in the blank: The present continuous tense is used to talk about a situation in progress ____.
A. in the past
B. now or around now
C. in the future
D. never
Possessive Pronouns › View
He lives in _______ house.
A. her
B. hers
C. she
D. him
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