첫해드 by Wayne

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가정법도치-Had s pp ~, s v x

Had Jacob treated them with respect and tried to earn his tip, he probably would have done much better. Jacob이 그분들을 정중하게 대접하고 팁을 받도록 노력했다면 그는 아마 훨씬 더 잘 해낼 수 있었을 것이다. [지금필수 15-3]