Answer — Exercise 1
7.2 - Grammar ·Focus 4 (2nd edition) - Workbook
Pregunta
Complete the sentences with a passive form. Add by + agent if necessary.
Respuesta
- are created using a 3D printer.
- is being designed by Lodge Computers.
- was being used to solve a variety of problems.
- has been completed by fifty percent of the students.
- will be delivered within 48 hours.