The book _____ by Bill Gates five years ago. A. is written B. is writes C. written D. was written
A.A
B.B
C.C
D.D
正确答案是D
The book _____ by Bill Gates five years ago. A. is written B. is writes C. written D. was written
A.A
B.B
C.C
D.D
正确答案是D