Which of the following is the proofreader's mark to insert an en dash?

In CMS style, it's generally recommended that a citation appears in ___ places within your paper.

The Chicago Style is very specific in regards to proofreader's marks. Which of the following is the proofreader's mark to indicate when a space is required?

Which of the following is the proofreader's mark to indicate when a proofreader should remove a blemish or check the image type?

After initially introducing a citation, you may abbreviate the rest as:

Which of the following is the proofreader's mark to indicate when a proofreader should indent one em from left or right?

Which of following sentences contains an error in punctuation..

Read of following passage and select the line that contains an error in grammar or usage?

Which of these following sentences contains an error or inconsistency.?

Which of the following sentences contains an error in number usage, style, or consistency,.?

Which of the following sentences contains an error in punctuation................