高等继续教育 / 大学英语I
正确率：100%
题型描述: 单选题
We shall ask for samples _ _ _ _ _ _ _ and then we can make our decision.
A. to send
B. to have been sent
C. to be sent
D. being sent
We shall ask for samples _ _ _ _ _ _ _ and then we can make our decision.
A. to send
B. to have been sent
C. to be sent
D. being sent
参考答案：
佳题速递：