C151 Preparation(part Iii)

"Instructor Dean, I think it is enough." Zhang Hu Lan came to the shooting-range early in the morning to wait for Du Lei, so he was very surprised when Du Lei came to the shooting-range, he didn't expect that Zhang Hu Lan would arrive early today, much less that it was only five days later that Zhang Hu Lan issued a challenge to Du Lei, this was the first challenge