Here is the boy ___(call) tony 有be 动词is ,为什么不填calling?

The boy's name is Tony.The ___ ___ the Tony. Mike _(call) his friend on the phone now.为什么是（calling)而不是（is the boy()on beach is tony Look at the boy.H___name is Tony. The boy ___ on the beach is Tony. [     my uncle,Jim,is good at playing the guitar.be动词为什么要填is?不是有两个 The boy's name is Tony 同义句转换 The （）（）the boy is Tony the dream is calling the boy ( )《call》mike is from america. He is the boy ( )【call】Jim . which is ( )taller boy ,Tony or Tim ?(填冠词) Tony is a_____(music) boy.填什么?拜托各位大神