下列哪些制度是秦朝开创而被后世各朝所沿用的（    ）
①分封制 ②郡县制 ③中央集权制 ④世袭制

I would give it to m____ research if I had a million dollars．
His mother is very ____ （有耐心的） and doesn't give up helping him．
Our football team won the prize．We were very e____ ．
He failed in the exam because he made many m____ ．
Wei Ming feels____ （不同） about English study．
____ （无论什么）I do, I always try to do it well．
Eating burnt meat can ____ （增加） the risk of cancer．
Books fill my life with____ （快乐）．
There are some fantastic sights in Paris, i____ the Eiffel Tower．
What should I do if I fell ____ （楼下）．