他把周末时间高效利用,完成了家庭作业并打扫了房间。

He spent his weekend productively by finishing homework and cleaning the room.

点击显示答案

He spent his weekend productively by finishing homework and cleaning the room.

productively 是形容词 productive(高效的、多产的)加上副词后缀 -ly 构成的副词形式,表示"高效地、有成效地"。

在 App 中完整学习这张卡片

在 App 中学习