问题:
—Why did they set up this organization?
—______disabled people.
[ ]
A. Help
B. To help
C. Helping
D. Helped
—Why did they set up this organization?
—______disabled people.
B. To help
C. Helping
D. Helped
—______disabled people.
[ ]
A. Help B. To help
C. Helping
D. Helped
参考答案: