Fred is second to none in English in our class, but believe it or not, he _____ passed the last exam

ms to some experts that 56．com, youku．com and tudou．com _____ 90% of the videomarket in this area．

Tony answered all the questions ________ the most difficult one.

One witness said that he’d seen the suspect run out of the store after it___

Many students find it hard to ______ the rules in this school.[ ]