英语听力精选进阶版 18004(在线收听

 

Oil price could hit $70 a barrel by 2020

WED 23 DEC 2015

Oil producers' group Opec says it expects oil prices to recover to $70 a barrel by 2020.

  原文地址:http://www.tingroom.com/lesson/yytljxjjb/484990.html