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[ Grammar ]

__________ is knocking on the door?

A. Who

B. Whom

C. Someone

D. Whose

Select your answer:
         


Topics :

Modals of Probability Conditional Types Wishes and Tenses Simple Present and Present Continuous Clauses of Reason Transitions Wish Sentence Past Simple - Present Perfect How much or How many? Modal Verb Gerund or To Infinitive How much and how many Adverb Types and Tenses Adjective ending with ED & ING Past Simple Gerund Noun Verb-ing or to Verb Modal Verbs and Advice Zero Conditional Sentence Inversion + Passive Voice Grammar (was, were, could, could not) Present Simple Progressive Auxiliary Verbs Passive and Active Voice Past Tense (Regular and Irregular) Adjectives & Prepositions another/the others/each other/one another Verb Usage and Grammar Verbs with Prepositions and Conjunctions Grammar - Collective Nouns Superlative Adjectives Present Perfect Simple & Continuous Grammar - Present Perfect Tense Countable & Uncountable Nouns Prepositions and Adverbs Modals of Obligation and Necessity Present Progressive (Future) Grammar: Parts and Punctuation Past Continuous PRESENT SIMPLE vs PRESENT CONTINUOUS + QUANT Preposition (at,in,on) Conditional Sentence Type 0-3 Grammar, adverbs of frequency placement V-ing/to-V TOEIC Grammar Prepositions and Tenses Adverbs or Adjectives -ed and -ing Adjectives Personal Pronoun Present Simple and Present Continuous Tense Who or Whom Parts of Speech and Compound Sentences Quantifiers, Countable and Uncountable Nouns Tenses & Passive Adverbs and Phrases Verb and Vocabulary Passive Voice - Present Continuous Modals & Conditionals Sports Vocabulary Can, Could, May, Might Gerunds + To Infinitive Grammar and Structure Would rather/ would prefer/ would like Was & Were Questions Grammar - Similes Possessive Pronouns and Quantifiers Grammar - First Conditional Possessive Pronouns Verbs + Gerund or Infinitive Prepositions and Adverbs of Movement Participle Clauses & Cleft Sentences Gerunds, Infinitives and Participles Future Continuous Tense Modals of Obligation & Prohibition Grammar - direct/indirect objects Question Tags in Verb Tenses Simple vs Continuous Past Tense Grammar Comma Usage Grammar - Nouns Present Continuous will, be going to, would like to Tenses, Determiners & Subject Verb Agreement Simple Past Tense Adjective and Adverb Present Perfect Simple & Present Perfect Continuous Verb to have IELTS Vocabulary Past Simple and Past Continuous Tenses so vs such Gerund, Participle, Infinitive, or Appositive Conditional Relative Clause So....that... Such.......that Adjectives & Preposition Used to - Would - Tenses Such...that, so ......that Modals: Possibility, Necessity, Expectation Sentence Structure and Verb Tenses Grammar : can, could and be able to Grammar : Structural Common Errors Comparison Degree