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:
Tenses › View. Where ___ (to live) your best friend?
A. where your best friend lives?
B. where does your best friend living?
C. does your best friend live?
D. where your best friend live?
Modal Verbs › View
You ………….. do more sport if you want to lose weight.
A. should
B. shouldn’t
C. can
D. may
Gerund › ViewThis 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