(1)That is Robert's bicycle.(2)What is that?(用缩写形式改写)(3)They are Gary and Tom.(4)These are Paul's newspapers(改为一般疑问句)

问题描述:

(1)That is Robert's bicycle.(2)What is that?(用缩写形式改写)
(3)They are Gary and Tom.(4)These are Paul's newspapers(改为一般疑问句)

That's Robert's bicycle.
What's that?
Are they Gary and Tom?
Are these Paul's newspapers?