the boy are play musical chairs on the playground.用what提问

the boy are play musical chairs on the playground.用what提问 The boys are playing musical chairs on the playground.用what提 There is a boy _(play)basketball on the playground. the students are on the playground 对 on the playground 提问 画线提问 I play football on the playground 对play football提问 对on there are some boys______(play) football on the playground. we play in the playground.对in the playground提问 the boy （ ） on the playground now. We always play football on the playground.就划线部分提问,划线部分为on th the students are on the playground.（对划线部分提问）（on the playgrou the boy and the dog ( ) are paying on the playground填什么 Look| Jim_____________(play) basketball on the playground.