（1）、When did the writer learn something from his grandfather?
A、During holidays.B、As a kid.C、In his later life.
（2）、What did the writer like doing when he stayed with his grandfather?
A、Telling stories.B、Playing with clocks.C、Asking questions.
（3）、How was his grandfather in the writer's eyes?
A、Patient and wise.B、Kind and brave.C、Active and funny.
（4）、As for computers, what can we know about the writer now?
A、He knows little about them.B、He is afraid to open them up.C、He loves looking for their problems.
（5）、Why does the writer want to thank his grandfather?
A、Because his grandfather paid for his education.B、Because his grandfather changed his life forever.C、Because his grandfather helped him get a good job.
