Complete the sentences with a passive form. Add by + agent if necessary.
1 The manufacturer creates these phone cases using a 3D printer.
These phone cases are created using a 3D printer.
2 Lodge Computers are designing the system.
The system is designed by Lodge Computers.
3 By the end of the training session, we were using the software to solve a variety of problems.
By the end of the training session, the software was being used to solve a variety of problems.
4 Fifty percent of the students have completed the assignment.
The assignment has been completed by fifty percent of the students.
5 We will deliver your order within 48 hours.
Your order will be delivered within 48 hours.
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pannieda