So absorbed _____ in the experiment that he didn’teven notice it was already over 12 o’clock

This song sounds _______ , I like it.

_____ kind girl Nancy is! —Yes, she is always ready to help others.

______, 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[ ]

Oh, it’s raining again. Why ______ it always rain on weekends?[ ]