年龄前的介词（ ）he was ten months old.中的括号应该填什么词?

年龄前的介词（ ）he was ten months old.中的括号应该填什么词? ten years ago 前加什么介词?What was your hometown ＿ ten years ago? 英语翻译he has already left ten minutes。这样？ten minutes前需要介词么 ten o'clock 前加什么介词 when was he ten 急用 when he was ten years old 的同义句 He was here at ten o’clock.的意思He was here at ten o’clock.是什么意思 年份和年龄前加什么介词 night前的介词如何填!My father usually goes to bed at ten ______ night. 用适当的介词填空 He was born _____2000. He was born ____a cold night.(介词填空） he was sitting there lost ___tought(填介词） Befor Pete was ten he could play the piano and the drums的同义句Befor Pete was ten he could play（ ）（ ）the piano（ ）（ ） and the drums. 题目是这样的：by the time he was ten ,he ( ) very well . When he was ten years old,he could play rigby very well 的同义句英语 如何在定语从句的连词前加介词.The pencil ——which he wrote was broken.请说明理由. hometown前的介词 he b------ a skaying champion when he was ten