Complete the following reference request letter by filling in the blanks with appropriate prepositions.(请大家看清题目要求) Dear Mrs White, We have received an application (1) ___________ Carl (2) ___________ this post. Details (3) ___________ our company and a copy of the job description are enclosed. Carl has told us that we may apply (4)___________ you (5) ___________ a reference. We should be grateful if you can tell us how long Carl has been employed (6) ___________ Top Factory, and what posts he has held. We should like to have some information (7) ___________ his personal abilities. This post requires leadership qualities, ability (8) ___________ communicate and work (9) ___________ a team, and a good command (10) ___________ English. Do you consider him a suitable person to hold a key management position in an expanding multinational corporation? Thank you for your help. Yours sincerely, Linda Chen