she praclices piaying the piano two hours every day 对two提问

she praclices piaying the piano two hours every day 对two提问 she sings for two hours every day.对for two hours 提问 she watches two hours of Tv every day .对划线部分提问 two hours of The boy relaxes two hours every day.( 对two hours提问) she spends two hours ___ the piano every day.该选什么?为什么? L dance for two hours every day.对two hours 提问 He does sports for two hours every day.(对for two hours 提问） Every day I play the piano on two hours.哪里有错误? It takes me two hours __________(play )the piano every day. She was in the classroom two hours ago .对two hours age 提问 I watch Tv for two hours every day 中对for two hours提问两种方法 知道的 I watch two hours of TV every day.(对two hours of划线提问）____ __