He asked me___________
A. How long I have studied English
B. How long had I studied English
C. How long I had study English
D. How long I had studied English

Random Topics:
Phrasal verbs and Prepositional PhrasesVerbs with Prepositions and ConjunctionsGrammar- Later/LatterPast Continuous Tense & Past ModalsTenses and FoodPassive Voice, Question Tag, PrepositionsPresent Simple with Adverbs of FrequencyPast and Future TensesNumbersHas and HaveOther quiz:
Modal Verbs › ViewPerhaps the local people will build a bridge
A. A bridge must be built by the local people.
B. A bridge may be built by the local people.
C. The local people needn’t build a bridge.
D. The local people cannot build a bridge.
Reported Speech › View
I can’t go to London with you because I don’t have much money.
A. Lucy said that she couldn’t go to London with me because she hasn’t had much money.
B. Lucy said that she couldn’t go to London with me because she didn’t have much money.
C. Lucy said that she couldn’t go to London with me because she doesn’t have much money.
Vocabulary › ViewShe can’t study by herself because she lacks _____ .
A. thinking
B. fascination
C. discipline
D. cooperation
Vocabulary › View
Her ______ her classmates improved her teamwork skills.
A. represent
B. specific
C. interaction with
D. consider