Form, Structure, and Sense: Agreement and Usage

SAT Reading and Writing· difficulty 4/5

Make sure to dot all your ______ and cross your t's before submitting the final draft.

Which choice completes the text so that it conforms to the conventions of Standard English?

Explanation

To form the plural of a single lowercase letter, an apostrophe is conventionally used to avoid confusion: "i's" (otherwise "is" looks like the verb).

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