Question

______ of danger in the street at night, she had to go home with a friend ____ her. A．Warnin..

______ of danger in the street at night, she had to go home with a friend ____ her. A．Warning; following B．Having warned; following C．Warned; followed D．Having been warned; following

Answer 1

D

试题分析：句意，由于她被警告晚上在街上有危险，所以她不得不跟着一个朋友回家。根据题意分析可知这里需要现在分词作原因状语，而主语“她”和分词动作“警告”之间是被动关系，所以应使用被动形式，并且她被警告这个动作发生在她回家之前，故应用现在分词的完成式的被动形式。对于第二个空，“朋友”和“跟随”是主动关系，所以应用现在分词的一般式的主动形式。 点评：要掌握非谓语动词的用法，善于确定时态，语态。可以通过分析分词和主语的关系确定,还可以根据上下文来确定.