（1）It's a bike in English.

（1）It's a bike in English.
——————————（这是个阅读短文判断对错,我只是不知道他的意思,相关联的对话是：Well,what's this in English?It's a bike.And it's my new bike.
（2）This is a red jacket(改为同义句)——————
我写的是The jacket is red.答案是This jacket is red.
（3）—— old man in ——brown coat over there is Mr.Jackson.
A An;a B An;the C The;a D The;the