A-A+

But from the start of their experiments the W

2022-08-01 22:16:50 问答库阅读 167 次

问题详情

But from the start of their experiments, the Wright brothers found that they needed money to pay _______ their research.
A. back
B. down
C. for
D. off请帮忙给出正确答案和分析，谢谢！

参考答案

正确答案：C
payfor；付款；payoff：偿清。根据题意选C。pay不与其他两项搭配使用。