Section Ⅲ Grammar 
Unit 5 Nelson Mandela 
 —a modern hero 
时间 
地点 
物 
人 
语 
法 
精 
要 
点 
拨 
when 
where 
which/that 
which 
whom 
for 
语 
法 
应 
用 
落 
实 
where 
when 
whom 
of 
why 
in 
for 
from 
to 
that/which 
on which/when people play jokes on 
 friends 
in which/when the Second World 
War was at an end 
at which/where I can buy some flowers 
at which/where we had lunch 
for which/why I didn't write to you 
for which/why you didn't come to 
his birthday party 
when/on which one must give in 
after which he 
went to 
in which/where you can find them 
easily 
that/in which he said it 
Thank you for watching !