填空题 This letter is to (1)____________ that Mary has been employed by our company as a secretary for three years. She is honest, reliable and (2)____________. Her performance has been well recognized by the leadership and colleagues. 兹以此信证明玛丽在我公司担任秘书工作三年,其为人诚实可靠,有责任心.她的工作表现深得上司及同事的认可