After finishing middle school, my sister did nothing ________ at home. 

I like Mr. Miner’s speech; it was clear and ______ the point.

It is necessary to explain your theory _____, otherwise the   audience won't make sense of what you are trying to get across.

My friend Martin was seriously affected by a strange fever; _____ , he could neither eat nor sleep.

 Areas where students have particular difficulty have been treated ________ particular care.