This's my clock .that's his ruler 哪里错了?

问题描述:

This's my clock .that's his ruler 哪里错了?

This's 和That‘s错了 一个是这个另一个是那个

This is my clock.That is his ruler.或This clock is mine . That ruler is his. 这里that is 不能缩写为that's

This is my clock.