GMAT考試，語法題的部分經常會出現考標點符號的，而常用的標點符號有：Semicolons分號、Colons冒號、Commas逗號、Parentheses括號、Dashes破折號、Hyphens連字號、Ellipsis省略號和Quotation marks引號。有關分號和冒號的知識點。

    1. Ellipses 省略號(…)

    a. Use an ellipsis to indicate that some words have been left out of a quotation.引用省略

    b. Use an ellipsis to indicate that something unwritten came earlier.

    例句: “… I do,”said Mimi.

    c. Use an ellipsis to indicate a sentence trailing off.

    Imagine this as the final sentence of a book chapter—it entices you to turn the page to read what happens next:

    Tom and Carlos were camping in the woods, asleep in their tent, when they heard it—the sound…

    d. Use an ellipsis to indicate a long, slow break.

    Long, slow break: There it was again…that soft but eerie sound.

    Fast, crisp break:

    There it was again—that loud, crashing sound.

    2. Quotation marks引號(“ ”)

    a. Use quotation mark to enclose what someone says.

    b. Do not use quotation marks with indirect quotations.

    c. If a quotation is half direct and half indirect, do not use quotation marks unless you want to emphasize the quotation

    d. Thoughts or questions in someone’s mind (in other words, ideas not spoken out loud) do not need quotation marks.

    e. Use quotation marks for definitions.

    f. Use quotation marks for sayings.

    g. Use quotation marks for labels, markings, signs, etc.

    例句：Label this container “good toys” and that one “broken toys.”

    h. Use quotation marks to indicate the clever or silly use of a word.

    標點符號和雙引號的位置： 1. Commas and periods always go inside the quotation mark.

    2. Colons and semicolons always go outside the quotation mark.

    3. If a quotation within a quotation, use single quotation marks around it.

    4. If only yes or no is quoted, you do not have to use quotation marks.