______, 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[ ]

The visit to the parents in the countryside, originally due to be paid last Sunday, was finally ________ because of the bad weather.[ ]

He _____ his work with animals.

The discussion ____ alive when an interesting topic was brought in.

Since we are not wealthy now，we’d better take our dailyexpenses into________.