l was in the play ground改成一般疑问句

l was in the play ground改成一般疑问句 then play in the playground(改成一般疑问句） l was at the church 改成一般疑问句 I play the piano.(改成一般疑问句 l was in the office. 改为一般疑问句 l can play the guitar一般疑问句 The bin was full改成一般疑问句 His friend usually play football in the playground改成一般疑问句 The dog was in the garden a short time ago.改成一般疑问句 l was nine years last year.改成一般疑问句 on the play ground 还是 in the play ground the girl can play basketball改成一般疑问句