最好又对又短!主语从句:that what where why各造一个句子!定语从句:that where when w

主语从句：括号中部分做主语（that Sam is dead) is true.（what matters) is your hard-working.(where he was killed) is that park.(why he killed his father) was because his father always blamed him.定语从句：All that is needed is a supply of oilI love the place where i worked for one year.I will never forget the two years when i worked in Qingdao.The reason why he died is his heart attack.