[ 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 › ViewThe gun went _________________ by accident and hurt him in the leg.
A. to
B. off
C. on
D. up
Grammar › View
Martha asked me when my friend was going to arrive.
A. When your friend is going to arrive?
B. When was your friend going to arrive?
C. When your friend was going to arrive?
D. When is your friend going to arrive?
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