Meaning: The students ask questions by raising their hands, and the teacher chooses one of them to answer.
Choice of Words: Students raise their hands, and the teacher calls on them.
Meaning: This means that the students raise their hands, and the teacher chooses one of them to speak.
Choice of Words: **Put** means to place something somewhere. **Up** means to move something higher. **Picks** means to choose someone or something.
Meaning: This means that the students wave their hands to get the teacher's attention, and the teacher points to one of them to speak.
Choice of Words: **Wave** means to move your hand or arm back and forth. **Points** means to use your finger to show something.