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What other businesses would there be?

Principal Cao's heart suddenly shuddered. He immediately added, "It'll be better if you just answer whatever the commander asks you and don't seek the limelight. Don't give your own opinions too. Just be moderate and don't be conspicuous."

If he really had other businesses, it wasn't something a student could interfere with.

Commander Xia did come for other businesses. However, he did squeeze time out of his schedule to come to the chemical defense regiment. After the students returned to their classes and bid farewell with their instructors, Commander Guo and the political commissar accompanied Commander Xia around the chemical defense regiment.

The chemical defense regiment was a mysterious military unit. Their uniform and equipment were very professional. It required a high level of expertise and the appearance was exceptionally strange.