外贸商函Lesson 1 Writing of the Letters. Fill in the blanks with correct words according to the text and then translate.1. There are three kinds of styles of the business letter, namely, , , .2. The date is typed on the line the bottom of the printed .3. for period to mark abbreviations, no is used after the line of the name and address.4. The salutation is typed lines below the name and address and is followed by a .5. In the modified form, the complimentary close is begun slightly to the of the center of the page on the line below the message.