答案与解析:what→if/whether 宾语从句的引导词不需要在从句中作成分,再根据ask判断句子的引导词表示疑问意义,故应为if/whether。 8.As is known to all that millions of graduates crowded into the job market each year. 答案与解析:As→It 本句是一个it作形式主...