I. поставьте предложения в вопросительную и отрицательную формы. 1. computer making industry is developing rapidly. 2. many companies often operate a bonus system for monthly and weekly-paid staff. 3. without surplus goods, there were no profits or saving in the 18th century
2. How many companies often operate a bonus system for monthly and weekly paid staff.
3. Without which there was no profit or save in the 18th century.