Which following option is the appropriate wh-question for the underline parts of the sentence "I have been reading the book for two hours?"
A. How long have you been reading the book
B. How long I have been reading the book?
C. For how long you have been reading the book?
D. How long you have been reading the book?
E. How long have I been reading the book ?
সঠিক উত্তরঃ
A.
How long have you been reading the book
