i said to him,”Why are you working so hard?”
A. I asked him why he was working so hard.
B. I asked him why was he working so hard.
C. I asked him why had he been working so hard.
D. I asked him why he had been working so hard.

Random Topics:
Time and CalendarCorrelative ConjunctionLinking VerbNouns and QuantifiersAdverbs and AdjectivesPossessive Adjective and PronounBasic TensesTypes of PhrasesNoun, Verb, Adjectiveas...as, comparatives, superlativesOther quiz:
Modals › ViewFortunately, I _____ to go to hospital for that knee injury.
A. needn’t
B. mustn’t
C. didn’t have
Geography › View
What type of eclipse occurs when the Earth comes between the sun and the moon?
A. Solar eclipse
B. Lunar eclipse
C. Eclipse of the Earth
D. Eclipse
This morning, i spent 30 minutes….. this document.
A. to check
B. checking
Tenses › View
Last winter we (drive) ………………………………………… to Zakopane but we couldn’t ski much because there (be) …………………………………… very little snow.
A. were driving; was
B. drove; was
C. drove; were
D. were driving; were