________ all his homework, the boy went out to play basketball.
A、Finished
B、Having finished
C、Finishing
D、Having been finished
【正确答案】：B
【题目解析】：下册P251
________ all his homework, the boy went out to play basketball.
- 2024-11-07 21:57:09
- 综合英语（一）(13163)