It was at the very beginning _____ Mr. Fox made the decision _____ we should send more fire-fighters there.

Eating is so important to Chinese ______ we have the term “food culture”. But recent reports have the public worried about ______ is on their tables.

Why not ________ an English club to practice _______ English

If you ______ with your classmates, youwill surely get the same work done far better.

We were________the most important scientific development of the century. [ ]