问题补充:
of danger in the street at night, she had to go home, with a friend her.
A. Warned; accompanied
B. Having warned; accompanying
C. Warning; accompanying
D. Having been warned; accompanying
答案:
A. Warned; accompanied
B. Having warned; accompanying
C. Warning; accompanying
(答案→)D. Having been warned; accompanying
解析:考查分词结构。She与warn构成被动关系,使用过去分词形式。排除BC。第二空的朋友和accompany构成主动关系,使用现在分词。句意:因为被警告晚上街上有危险,她不得不在有朋友陪着她才敢回家。