pleasant life we are having in the new century!A. WhatB. HowC. What a D. How a

问题补充：

pleasant life we are having in the new century!

A. What

B. How

C. What a

D. How a

答案：

A. What

B. How

(答案→)C. What a

D. How a

解析：感叹句的用法

感叹词what引导的感叹句。

what修饰名词或名词短语，有以下两种形式：

1. What+a(an)+（形容词）+单数可数名词+主语+谓语！或是：What+名词词组+主语+谓语！2. What+(形容词）+可数名词复数或不可数名词+主语+谓语！

由How引导的感叹句。

how用来修饰形容词、副词或动词。

1.How+形容词（副词）+主语+谓语！

故选C

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