A-A+

_____ economically one tin of oil will last a

2022-08-06 18:39:52 问答库 阅读 180 次

问题详情

_____ economically, one tin of oil will last at least three months.
A.To use
B.To be used
C.Using
D.Used请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:D

考点: