早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Severaldayshaspassedtheaircrash(空难)happened.[]A.sinceB.afterC.as

题目详情
Several days has passed _______ the air crash (空难) happened.

[     ]

A. since
B. after
C. as
▼优质解答
答案和解析
A