This is a test of commonsense with single/multi-choices. Complete the next sentence:

Two boys are sitting on bleachers and talking. They explain how to keep shoes clean, by displaying a toothbrush and several spray cans. they

Pick from:
[-] scrub their shoes, then polish them off..
[-] use soap, rubbing it all over their feet and shoes to do it..
[-] make a sand castle in the sand and decorate it with flowers and birds..
[-] are also being racquetball then posing with the gloves..
The answer is:
scrub their shoes, then polish them off.