-When __________ you __________ this boo
题型:选择题
问题:
-When __________ you __________ this book?
-About 3 years ago.
A. do, wrote
B. did, wrote
C. did, write
D do write
-When __________ you __________ this book?
-About 3 years ago.
A. do, wrote
B. did, wrote
C. did, write
D do write