in two hours' ago 里的hours'是怎么回事?hours'为什么要打'?

in two hours' ago 里的hours'是怎么回事?hours'为什么要打'? About two hours ago的问句? She was in the classroom two hours ago .对two hours age 提问 I fell off my bicycle two hours ago,能不能用 in two hours The food was in the bowl two hours ago.对two hours ago提问The food was in the bowl two hours ago.对 two hours ago 提问_____ _____ the food in the bowl? in two hours 和in two hours' time的区别 He left two hours ago的同义句 The shop closed two hours ago ? 的同意句. in two hours 和for two hours的区别谁能告诉我在in two hours 和for two hours中介词in和for的区别, mrs cao was in her office two hours ago变疑问句 The Greens left Beijing two hours ago 的同义句The Greens __ __ __ __ Beijing for two hours~ See you after two hours in Beijing .I was livedSee you after two hours in Beijing .I was lived in here seven years ago. 用how long对i finished my homework two hours ago中的two hours ago提问 The film started about two hours ago.用 about two hours ago提问 in two hours 和after two hours 的区别 最好能告诉我用法 两个小时之内是for two hours 为什么不是in two hours?我的 They have been in the store( )A) for a long tine ago B) for nine o’clockC)since two hoursD)since two hours ago The food was in the bowl two hours ago. 对two hours ago提问 急,快 !The old people enjoy playing cards in the park.(改为否定句)The old people _______ _______ playing cards in the park.