three years___ a long time for us students.A are B be C is D have been

three years___ a long time for us students.A are B be C is D have been 我们是三年前开始认识的.We___ ___ ___each other three years___. He has been a soldier for 5years同义句 He has __in the army_5 years___. 用反意疑问句的方式回答下面的题目,TAT.1、He's Australian,___ ___2、He's workd here for three years___ ___3、The girl read a sad story ___ ___4、They will visit Shanghai next week,___ ___5、Lingling likes to listen to pop music,___ 瞬间动词转延续性动词open的延续性动词还有We bought the book three years ago.同义句It is ___ years___ we___the book. We____(tell)that a hundred years___(mean)a century （a hundred years是一个整体吗?） 一个英语句型转换题 Mike has been a party member for five years.Five years___ ___since Mike___the party.____ ____five years since Mike ___the party. lon:149130.80881944444lat:149130.80881944444 He is an old man___80 years___. geographic lat/lon projection是什么意思 Coordinates:Lat/Lon(WGS84)是什么意思 three-a是什么轮胎 three times a three meals a day 英文女唱的 歌词有 O lon li lon li lon o lei 英文女唱的 歌词有 O lon li lon li lon o lei英文女唱的 歌词有 O lon li lon li lon o lei /或 O lon lei lon lei lon o lei Mary wants ___ apples.A more three Bothers three C another three Dsome three 手表表盘上有一些英文缩写 顺序依次是A-TM,LON,NYC,CHI,DEN,LAX,CHR,ALM这些英文缩写是什么意思?思 已知一点经纬度A（X,Y）,和与另一点B的距离r和方位角a,求另外一点的经纬度B(Lon,Lat)?注： （X,Y） （Lon,Lat）都为角度数 r 单位： km a 单位：角度 ,以正北方向顺时针开始我有一种方法是（1）