![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
The receptionist checked her appointment book and told John that the appointment his mother had made was still ______, so he could come that afternoon. John was relieved. He put the phone down, looked at his mother and said, “This afternoon at 4 o’clock.”