早教吧 育儿知识 作业答案 考试题库 百科 知识分享

it is estimated that more than 50 million people have been infected with this disease already.=More than 50 million people are_____________________

题目详情
it is estimated that more than 50 million people have been infected with this disease already.
=More than 50 million people are_____________________
▼优质解答
答案和解析
estimated to have been infected with this disease already.