M: I'd like to know something about your educational background, Miss King. Your major is English, isn't it?

W: Right. I ____(graduate) from Harvard University in 2010.

M: Fine. And could you please tell me ____ you have got any working experiences?

W: Well, I`m working for Singapore Airlines at ____ moment, in their San Francisco office.

W: ____(exact) speaking, what are you there now?

W: I work in the department of sales promotion.

M: I see. And how long have you been working there?

W:____ two and a half years.

M: Would you mind ____(tell) me your present salary?

W: I`m making ＄2,280 a month at present. And I know your starting salary of this position is about＄ 2,600 a month.

M: That`s right.

W: I`d like to know if your company provides opportunities for ____(far) education.

M: Yes, our employees ____(allow) to take up six hours a week at full pay to attend college courses.

W: That`s very generous.

M: Well, I`ve enjoyed talking with you and we will phone you ____(late)

W: Thank you. I'd appreciate ____ if you could inform me as soon as possible.

直角坐标平面内，一点光源位于A（0，5）处，线段CD⊥x轴，D为垂足，C（4，1），则CD在x轴上的影长为　____ 　，点C的影子的坐标为____ ．