While they _____ (talk), the lights went out.
A. were talking
B. had talked
C. have talked
D. talked

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If/Unless - Conditional type 1Grammar - some / anySimple Present vs Present ProgresiveAdjectives, Adverbs, and PrepositionsWill and Will notAdverbs by TypeConditional Sentences Type 1Prepositions of Time, Place, and MovementPresent Perfect: for/sinceGerunds/InfinitivesOther quiz:
Tenses › ViewIdentify the verb tense in the sentence: They have been working on this project since morning.
A. present simple
B. present perfect continuous
C. past perfect continuous
D. future perfect continuous
Vocabulary and Grammar › View
Yip Man is unhappy when Bruce fights. Why?
A. Bruce misses a class.
B. Bruce hurts a student.
C. Bruce does not understand gentleness.
D. Bruce does not use his hands correctly.
Present Perfect Tense › ViewMake a positive sentence ? (present perfect tense )
I/ already/ finished/ my report
A. I have alreadydone finished my report
B. I haven’t finished already my report
C. I have already finished my report
D. I has already finished my report
Modal Verbs › View
You _________ spend so much time online.
A. shouldn’t
B. may
C. couldn’t
