早教吧 育儿知识 作业答案 考试题库 百科 知识分享

请写出选择原因Annawasreadingapieceofsciencefiction,completely----totheoutsideworldahavingbeenlostbtobelostclosingdlost

题目详情
请写出选择原因
Anna was reading a piece of science fiction,completely----to the outside world
a having been lost
b to be lost
c losing
d lost
▼优质解答
答案和解析
D.过去分词表示被动,做状语.