He_____for a while,and then he had a good idea.A.thought over B.thought of C.thought about

He_____for a while,and then he had a good idea.A.thought over B.thought of C.thought about He_____for twenty years.A.has joined B.has been in the army C.joined D.have saved the army 1.选择He_____for two years.A.has joined the Youth league B.had joined the Youth leagueC.has been a Youth member D.had been a Youth member 英语翻译walk a while? after a while=? C 中while(a Just leaving a while once in a while just a while for a while after a while 意思 in a while是什么意思 in a little while a=10 while a —_____ did your uncle leave his hometown?—He_____for nearly twenty years.A.When;has left B.When;has been away C.How long;has left D.How long;has been away选什么为什么 in a while;after a while 的用法区别. for a while和after a while的区别 是after a short while还是a shortly while