---Can you tell me whom the book ________ in April, 2012?
---Sorry, I don’t know.
A.was written by | B.was written | C.is written | D.is written by |
---Can you tell me whom the book ________ in April, 2012?
---Sorry, I don’t know.
A.was written by | B.was written | C.is written | D.is written by |