In which of the following sentences is all PUNCTUATION correct?

Tom’s hardly eaten anything all day, .................. he?

All of your travel plans have been made. When you arrive, someone ............. for you at the airport.

My son was born ......... January 17th 2006.

Students ..................... expected to write very long papers in their first year.

Mr. Smith just ...... his new book last week. He hopes it will be successful.