The old man was very ___ when the boy’s ball hit his windows.
Generally speaking, according to the directions, _____ the drug has no side effect.
According to the rules of the library, a book can _____ for three weeks, and a DVD for one week.
What _____ pity that you couldn’t go there to receive ______ prize!
It’s not necessary to explain the truth________ there are air, water and sunlight , there are living things.
The drunk driver is ___ for the traffic jam yesterday.