. Whether ways will be found to stop pollution or not is just ____ worries the public.
What great trouble we had _________ where his house was.
--Shall I open the window?--I’d rather _________.
_____ to strong sunlight for a long time will do harm to your skin.
The teacher didn’t like______composition written by the new student because it didn’t make_______ sense.
A man put his hand over the boy’s mouth. The ______ boy was afraid of the _______scene.