Ответ:

1)Negative:This exhibition isn't visited by many tourists

Interrogative:Is exhibition visited by many tourists?

2)N:He wasn't given spaghetti for supper

I:Was he given spaghetti for supper?

3)N:The article won't be translated tomorrow

I:Will article be translated tomorrow?

4)N:The bill mustn't be paid at once

I:Must bill be paid at once?

5)N:The students aren't being prepared for the test

I:Are students being prepared for the test?

6)N:The tickets shouldn't be shown to the conductor

I:Should tickets be shown to the conductor?

7)N:First aid hasn't been given to the injured person

I:Has first aid been given to the injured person

8)N:The tablets weren't being served at the time

I:Were tablets being server at the time?

9)N:The robbers haven't been arrested by now

I:Have robbers bern arrested by now?

10)N:The instructions couldn't have been given yesterday

I:Could instructions have been given yesterday?

N=Negative

I=Interrogative