I think it's our duty to keep our environment clean and tidy.
问题描述:
I think it's our duty to keep our environment clean and tidy.
答
我想我们的职责是保持我们的环境干净整齐.
I think it's our duty to keep our environment clean and tidy.
我想我们的职责是保持我们的环境干净整齐.