Read each sentence and use the drop-down menu to determine which revision, if any, is needed.

Question

Revolt · Accepted Answer

The winning lottery numbers are three, fifteen, nineteen, and twenty seven.:

Add a hyphen between “twenty” and “seven.”

At least one-fourth of the paintings—which are all by American artists—will be included in the special exhibit.:

No revision is needed.

Mr. Singh, an accomplished musician, plays three instruments: piano, trumpet and clarinet.:

Add a comma after “trumpet.”

Using Punctuation