因式分解:3a2﹣6a+3=____
①都是区域经济集团组织
②都是各国经济联系日益密切和国际经济竞争日益激烈的结果
③其合作领域都包括了政治、经济、军事
④都是倡导贸易和投资自由化
根据句意及首字母提示完成单词
(1)I was b____ in a small town.
(2) —What’s your teacher like? —She is s____ with us.
(3)The students are all from the same p____ school.
(4)We should be____(友好的)to our friends.
(5)There are three hotels in this____(城镇).