. Listening to loud music at rock concerts ______________caused hearing loss in some teenagers.
You may use the room as you like, you clean it up afterwards.
The reason _______ he was late was _______ he missed the bus.
The tiger, once a ____ animal to humans, is now ____ of disappearing on the earth.
We shouldn’t spend our money testing so many people, most of ____ are healthy.
I won’t see the film tonight. I am busy. ______, it is raining cats and dogs.