第31题: [多项选择]Subject: 参考答案: Receiver: bookoffice.ld@airchina.uk Subject: Booking Tickets Dear Sir or Madam, I would like to book D tickets for a delegation of my company headed by the manager. They are going to Shanghai for business on September BDth. Please book for them D seats in the plane leaving London for Shanghai at D p.m. next Monday. Please send the tickets in three days to my company at the following address: Wida Software Ltd. B Nicholas Gardens, London. You may contact me at 00DD-0HA-D00E00D if necessary. Many thanks. Yours sincerely, Mary Williams Secretary of Wida Software