______, our ears are accustomed to sounds between 40 to 50 decibels But in the settings like a KTV, the volume usually goes up to 80 to 90 decibels, which can cause damage to the ears[ ]

idn’t turn up last time, did she－No.She ______ . We had changed our plan.

Did they clean the house yesterday—_______. They cleaned it at five.

When the teacher asks him, he always ____.

Could you tell me now— Yes. I live in Manzhouli city.