Please choose the correct ending to complete the given sentence: Assembling bicycle: A man uses a tool to repair individual links of a bike chain. The bike chain is fastened back together on the bike gears using a specialized tool. the person

Ending1: inspects the newly replaced chain by hand. Ending2: trims the chain with a wooden tool as the chain is being repaired. Ending3: then springs the ladies tire around the ring and sits back down. Ending4: then begins using the tool once again to re-attach the bolts that hold the longer chain together.

Answer format: ending1/ending2/ending3/ending4