The boy playing football yesterday is my son 这个句子对吗

the foot of the boy所有格 the foot of the boy,所有格 紧急 The little boy is dirt from head to foot because he _____ in the mud all morning.A.has played B.is playing C.has been playing D.was playing 是用过去完成时 还是现在完成进行时 the running boy the playing boy the boy playing football这三个都对吗 the running boy the playing boy the boy playing football这三个都对吗 The boy is playing near the the boy is playing basketball (对the boy提问) thanks! The ( ) boy is playing computer games. the boy is playing basketball.否定句 He like the boy playing basketball. 对吗. the boy is playing basketball(对is playing basketball提问). The boy is playing basketball(对is playing basketball提问). The boys are playing foot ball的一般疑问句 the boy is playing basketball?改一般疑问句the boy is playing basketball?求求您了. the boy is playing basketball 提问《is playing basketball.> 和,the boy> 怎么回答? The boy goes home on foot 句意不变 6 help!help!关于英语时态选择题,在此跪求大家了,谢谢谢谢谢谢谢!6.The little boy is dirty from head to foot because he ( ) in the mud all morning.A.has played B.is playing C.has been playing D.was playing答案:CQ:为什 过去进行时与现在完成进行时有什么区别?The little boy is dirt from head to foot because he _____ in the mud all morning.A.has played B.is playing C.has been playing D.was playing 该选哪一个呢?