Задание 6: Поставьте глаголы, данные в скобках в правильную форму:
1. A simple machine (to transform) the direction or magnitude of a force.
2. A simple machine (not to consume) any energy.
3. A wedge (to be) a simple machine.
4. Instruments (to consist) of many elements.
5. A bolt (to consist) of the head and the shank with the thread.
6. A shaft (to rotate) about its axis.