[ Vocabulary and Grammar ]
Sorry, I can’t hear you. Can you _________?
A. top up
B. put on
C. speak up
D. hang up

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Grammar: Have toGrammar TOEFLAdverb of FrequencyTOEFLConditional Sentences Type 0, 1 and 2Modals, Infinitives and GerundsPassive Voice & TensesModal Verbs & Reflexive PronounsModal Verbs for PossibilityClauses of ReasonOther quiz:
Grammar › ViewSome of the furniture __________ delivered to the new office last week.
A. has
B. was
C. have
D. were
Grammar › View
Are
A. Verb
B. Noun
C. Adjective
D. Adverb