| A | B |
|---|
| Space ____ after a comma used within a sentence. | once |
| Space ____ after a colon used to express time. | zero |
| Space ____ after any mark of punctuation at the end of a sentence. | twice |
| Space ____ after a period in an abbreviation. | once |
| Space ____ after a colon used in punctuation. | twice |
| Space ____ before or after a hyphen. | zero |
| Space ____ before or after a comma used in a number. | zero |
| Space ____ after a question mark at the end of a sentence. | twice |
| Space ____ after a semicolon. | once |
| Space ____ before or after the diagonal. | zero |
| Space ____ after a period used with an initial. | once |
| Space ____ before or after a period used as a decimal. | zero |
