题目内容：

同义句：I can‘t This watch is not ___________for me______.This watch is ________for me__________.
This is an experiece watch.I can’t afford to buy it.
用Such..that
such+a/an+adj.+可数名词单数+that
such+adj.+不可数名词/可数名词复数
so +adj.+that

优质解答

This is such an expensive watch that I can't afford it.
This is such expensive a watch that I can't afford it.
This watch is so expensive that I can't afford it.