play a football为什么错?

play a football为什么错? play football跟play with a football的区别play football跟play with a football到底有什么区别? Let's play a football哪里错了 为什么Playing football.Play要加ing --- dangerous it is to play football on a busy road A how B what 为什么 He began to play football __ he was six.A whenHe began to play football __ he was six.A when B as 为什么不可以选as Why not play football with us?为什么用play He can ----- football. A plays B play Bob,what a day to play football I play football for(a )two hours let's ＿＿ football.a.play b.plays c.playing 选哪个为什么? yesterday he play football but now he ___ volleyball.为什么选A,说出理由 play( ) guitar play ( ) football 是I play football very well还是I play football is very well?为什么? l like play football 那错了 It's__thing to enjoy watching someone playing football,but it's quite__to play football yourself.A.a;another B.one;otherC.one;anotherD.a;other选什么?为什么? The boys are________.选择填空A.playing the football B.play football C.playing football Do not let the children（ ）（play）a football in the street.这里play with football吗?答案是play with可是play football不是吗?