A dash can also be used to set off information at the end of a sentence. The parentheses should enclose the acronym when it first appears. You can then refer to the acronym only, without parentheses, throughout the rest of the letter. Quoting Quotation Marks. Quotation marks are necessary and functional marks of punctuation.
Most people know that quotation marks are effec- tive in indicating what someone has said.
The problem is not when but how to use them. Below are examples of the proper use for quotation marks. Periods and commas always go inside quotation marks. Semicolons and colons always go outside quotation marks. Exclamation points and question marks go inside or outside the quotation marks depending on the sense of the sentence.