which one of these skills is not considered a 21st-century skill?

Developing innovation and curiosity. Imaginating and carrying out new ideas means

self-directed thinking that produces new and innovative ideas and solves problems. Reflecting critically on learning experiences and posses and making effective decisions means

using technology as a tool to reinforce, extend and deepen learning. Enabling the learner to discover and communicate knowledge and information in a globalised world means

If you want to take the class register, you should say.......

if you want to begin your lesson, what you should say