Cover of the textbook Focus 4 (2nd edition) - Workbook

The key answer of exercise 1

The key to exercise solutions in chapter 7.2 - Grammar for the textbook Focus 4 (2nd edition) - Workbook with authors Daniel Brayshaw from Pearson Education

Question

Complete the sentences with a passive form. Add by + agent if necessary.

Answer

  1. are created using a 3D printer.
  2. is being designed by Lodge Computers.
  3. was being used to solve a variety of problems.
  4. has been completed by fifty percent of the students.
  5. will be delivered within 48 hours.