From industrial beginnings in the nineteenth century, plastics______through a hundred and

To graduate from high school, we will begin our new life in college.（)

We learn from the third paragraph that employees in the American PR industry ______.A．enjo

The first______in 1814 marked the beginning of a new stage of the Industrial Revolution wh

We learn from the last paragraph that in the near future[A] the garment industry will r

When the warm air from the sea surface begins to

What lesson might the PR industry take from Ted T