题目

Now that I know ______，I understand why they needed so much money. A. what a hard life they lived B. they led what a hard life C. what they lived a hard life D. how hard a life did they lead   答案：A此题考查宾语从句的语序。a hard life为名词短语，故用what修饰，what是引导词，故要放在从句的前面，因为是宾语从句，要用陈述语序，故选A项。  9．10以内的质数有2、3、5、7，10以内的奇数有1、3、5、7、9．