Neil _______ in Xiamen for five years before he finally decided to go back to Scotland

下列词语中注音全都准确的一项是（ ）

You look so curious (好奇) about Beijing .Is this the first time that you _____ here ?

The old lady did not know ___________when the house caught fire.

.John is the only one of the students in the class that never______ a mistake even when it is pointed to him.