_______ with her sister, Mary is even more hardworking and better at her lessons.

A new way of teaching _____ in the article can make learning easier.

I smell something ________ in the kitchen.Can I call you back in a minute?

The next morning she found the man ___ in bed, dead.　 

At one point I made up my mind to talk to Uncle Sam. Then I changed my mind, ______ that he could do nothing to help.