1：_what___cold water this is!what（+形容词）+不可数名词+主+谓!
2：_how___cold it is!how+形容词或副词+主语+谓语
3：what a____nice present it is!what+a/an+形容词+可数名词单数+主谓
4：what a____pleasant surprise you gave me!what+a/an+形容词+可数名词单数+主谓
5：_how___good a TV set we’ve bought!how+形容词+a/an+可数名词单数+主谓!
6：what____good news we‘ve got!what +形容词+不可数名词+主谓!
7：_what an___unpleasant experience you had last night!what+a/an+形容词+可数名词单数+主谓 experience表经历时是可数名词