Прочитайте предложения и вставьте вместо каждого пропуска подходящее слово, выбрав его из списка, приведенного ниже. Два слова в списке лишние.

A briefcase is used by ... . A blackboard is used by ... .
Pins are used by ... A brush is used by ... . A microscope is used by ... . Handcuffs are used by ... A wistle is used by ... . A stethoscope is used by ... . A hammer is used by ...
A rifle is used by ... . A hidraulic boom is used by ... . A crash helmet is used by ... .