黑猩猩能够展示出使用工具的行为，比如用树枝从蚁穴中钓蚂蚁。

Chimpanzees demonstrate ___tool-using behavior by using sticks to fish ants out of anthills.

现代教师需要精通使用各种教育软件进行在线教学。

Modern teachers need to be skilled in ___using tools for online teaching with various educational apps.