问答题
When a sound is made just using air, it is called ‘_____________’; when a sound is made using one’s voice or vibration in the voice box, it is called ‘________’. To check whether the students know how to make the sound correctly, you can ask, ‘________________________?’
When a sound is made just using air, it is called ‘_____________’; when a sound is made using one’s voice or vibration in the voice box, it is called ‘________’. To check whether the students know how to make the sound correctly, you can ask, ‘________________________?’