Transform the verbs below into nouns and use them to complete the sentences. There is one extra verb (you don't need to use it).

Write one word in each gap.

invent, attach, train, deliver, rob, build

We're waiting for the [ ] of a new sofa, so we can't go to the supermarket now.

Please, find the survey in the [ ] to the email and complete it.

What is the oldest [ ] in our city? I think it's one of those houses in the city centre.

The [ ] of telephone spread communication across the world.

Will you join the football [ ] tonight? No, I'll be busy with my piano rehearsal.