Salesforce administrative essentials for new admins practice test 4

A record is modified on 1/1/2008. It meets criteria for a time-based workflow rule; this rule schedules an action for 7 days after rule execution. On 1/4/2008 the record is modified and no longer meets workflow rule criteria.
On 1/5/2008 the record is modified and once again meets the initial time-based workflow rule criteria. How many workflow actions will execute and when?