(1)That is Robert's bicycle.(2)What is that?（用缩写形式改写）

(1)That is Robert's bicycle.(2)What is that?（用缩写形式改写） 英语填空A:Is that Robert's bicycle?B:No,it isn't.His bicyclre is the boy on the silver bicycle that is Robert Jenkins.用on the 用It is/was...that/who...形式改写下列句子 把This is a bicycle.This is a Robert's bicycle.This is a Robe what's that?（ ）is a ruler that's what it is This bicycle is( ) yours,but that bicycle is()yours. they are的缩写形式,you are缩写形式,your name is的缩写形式,that is的缩写形式 that is缩写 怎么打That is的缩写!就是这个that's What's that noise?What (is happening)?