操场上肯定有学生在打篮球,是不是The playground there must be some students p

在操场上打篮球的学生们打得多开心啊 ______________the students ________in the 1.there are some students----basketball on the playground.(p There are some students ___ the playground. 1.操场上有300多个学生 There are ____ ____ 300 students in the playgr There are some students ( )the playground.what are they doin there are some students ou the playground 否 There are many students on the playground.Some are standing 中译英：“看许多学生在操场上打篮球.” 看!操场上有些学生在踢足球,有些学生在打篮球 （英语翻译） 在操场上用英语说是on the playground,还是in the playground这个? “在操场上”的英语是"in the playground"还是"on the playground"? 请问：在操场上 英文 是 on the playground 还是 in the playground 为什么?