I heve a bike.—bike is blue.画线部分填什么?

I heve a bike.—bike is blue.画线部分填什么? I am going to go by bike.画线部分是 by bike 就画线部分提问 the boy on the blue bike is my cousin对画线提问 on 到 bike Mike is bike is red and ()is blue.a:my ,b:I,C:her,d:mine. Bob has a blue bike同义句The __ of the blue bike is Bob There is a bike _____ the tree中间填什么 ｛Li ping is mother ｝ has a red bike .对画线部分提问 He is riding a bike in the park now.对画线部分提问 i'd like a bike as my birthday present 对画线部分提问 This is Tom's bike.(对画线部分提问) I am riding my bike now.(对画线部分提问) I have a bike.a bike is in my room这句话有什么错误?