用英语单词造句：work as / depend on /in addition /be unaware are of

用英语单词造句：work as / depend on /in addition /be unaware are of
要加上翻译

he is working as a present in this country.
the developent of this city depends on the economic policy.
in addition,u can choose another plan for ur trip.
the worest things was,he didn't be unaware of the enemies which had already entered in the city.
再问： 翻译
再答： 他在这个国家担任总统。。。 城市的发展依靠着经济的政策 另外，你可以为你的旅行选择另一个计划 最坏的事情是，他并没有察觉到已经踏入城市的敌军。