Match each root with its
port. a. to carry
voc. b. to build, form
tract. c. to pull
vac. d. voice; to call
struct. e. to be empty

Port. A. to carry (think of a portal, it carries someone from one place to another)
Voc.  D. voice; to call (think of the vocals of a song)
Tract. C. to pull (think of what a tractor does)
Vac. E. to be empty (think of what a vaccum does)
Struct B. to build, form (think of a construction worker's job)