6. Insert prepositions where necessary (on, with, by, of, at, in): 1) The language is a tool ___ trade in many professional domains aimed dealing people.
2) Success the sale goods and services depends effective advertising.
3) Public service advertising supplies information that helps the public ___ some way.
4) Can you explain your stand ___ the issue you focus ___?
5) Success in career is shown increased position and income.
1) The language is a tool OF trade in many professional domains aimed AT dealing WITH people.
2) Success IN the sale OF goods and services depends ON effective advertising.
3) Public service advertising supplies WITH information that helps the public IN some way.
4) Can you explain your stand IN the issue you focus ON?
5) Success in career is shown BY increased position and income.
Объяснение: