engine and carburetor. wheels and axles. brakes and muffler. steering wheel and speedometer.
I gave my students this multiple choice question: The suspension system of a truck includes the

Only one answer is correct among these 4 choices:
- engine and carburetor.
- wheels and axles.
- brakes and muffler.
- steering wheel and speedometer.

Could you tell me which one is correct?

wheels and axles.