a long time ago:很久以前 Have a try 两个小时前 two hours ago三天之前 three days ago 一个月以前 a month ago十年之前_ ten years ago
a long time ago：很久以前 两个小时前______________ 三天之前 ______________ 一个月以前______________ a month ago 十年之前 ______________ two hours ago three days ago ten years ago Have a try!
Look and answer Who is this? He is Yang Liwei What does he do? He is a taikonaut
Who is this? What does he do? Look and answer He is Yang Liwei. He is a taikonaut