Most morning reading classes should be made use_______ English better.
The reason why he was sent to the hospital was __________ he was ill.
The speaker spoke of some writers and some books __________ were popular then.
I refuse to accept the blame for something __________ was someone else's fault.
There is clear evidence __________ the most difficult feeling of all to interpret is bodily pain.
When the news came __________ the war broke out, he decided to serve in the army.