--Have you returned the book to the libr
题型:选择题
问题:
--Have you returned the book to the library _______? --Yes, I have ____ returned it.
A.yet, yet
B.already, already
C.already, yet
D.yet, already
--Have you returned the book to the library _______? --Yes, I have ____ returned it.
A.yet, yet
B.already, already
C.already, yet
D.yet, already