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3個(gè)鐘頭。 。 5年。lekt / skating marathon a pair of skates /pe?r/ for 7 years since I was 7 years old /sins/ since nine o’clock since 7 years ago 收集貝殼 溜冰馬拉松 一雙溜冰鞋 七年了 自從我 7歲 自從九點(diǎn) 自從7年前 比一比,看誰(shuí)記得快 She likes reading. She started reading at 7:00. Now it is 9:00. How long has she been reading? She has been reading for 2 hours. since 7:00. 2 hours ago. 自從 ...以來(lái) for +一段時(shí)間 since+時(shí)間點(diǎn) 一段時(shí)間 + ago How long have you been doing …? I have been doing… for … since… When did you start doing…? What do you like doing? Name hobby How long