首页 › 答案 › 题库 › 知到智慧树 › 未分类

I'；d like to sign（）for volunteer（志愿的） work with an environmental organization.I hear it is a great way to connect with the community.

I'；d like to sign（）for volunteer（志愿的） work with an environmental organization.I hear it is a great way to connect with the community.
A.by
B.in
C.up
D.with
正确答案：up
标签：大学英语 志愿
上一条：Human behavior is mostly a product of learning， while animal behavior depends mainly upon（）.
下一条：The phrase “make attempts” means 尝试。