问答题

● Read this message from your secretary.
Message:
When you were out on your business trip, Mr. Zhang, Manager of Datong Company wrote to us--asked us to offer them 2,000 Lihua Brand Bicycles. I contacted Mr. Li, our Sales Manager, he said the demand is very heavy, cannot supply now; when available we can offer.
● Write a letter to Mr. Zhang:
● acknowledging receipt of his letter;
● expressing regret;
● explaining why you can’t supply the goods;
● saying you will inform him when a new supply becomes available.
● Write 60--80 words.
● Do not include postal addresses.