It takes more than knowledge andintelligence to ______ a good researcher．

下列各句所涉及的年龄。由小到大排列正确的一项是 ①余自束发读书轩中 ②豆蔻梢头二月初③既加冠，益慕圣贤之道④年近知命，位止方州⑤行行向不惑，淹留遂无成

Look，what a mess in the kitchen！—I ______cooking fish in a new way and I really have no time to tidy it up now.

Tooursurprise,_______totherich,eventhoughmanypeopledevotealltheirlivestowork,theycan’taffordtoownahouse

Two-thirds of Australia kangaroosand ______ are native ______the area which_______ dry and desert