英文介绍信格式-条据书信 格式 directions: your close friend in college, li ming, is going to pursue his postgraduate study in the foreign university where you studied before. write a letter of no less than 100 words to your former teacher professor smith to introduce li mings characters and so on, expressing your hope for help from prof. smith. do not sign your own name at the end of the letter. use wang hua instead. do not write the address. dear prof. smith, i take great
