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Complete the sentences below using the following verbs in the passive.

1. After testing everything the problem with the machine …………. finally. (discover)
2. The frame are made of lightweight plastic. (make)
3. The information were transmitted to the machine's inbuilt computer. (transmit)
4. The packing equipment was switch off and production was halted for an hour.
5. Don’t worry. All your files are stored in the computer's memory. (store)
6. Last year the factory were closed for three weeks and everybody had their holiday at the same time. (close)
7. These new offices were built by an American company last year. (build)