Unit 3 language in use 基础篇一、单项选择。（本单元语法重点训练本单元包括已学过的状语从句）1.________ the outbreak of COVID-19 is a terrible blow to the country, the government is trying hard to bring the situation under control.（2020 年，湖南长沙）A. AlthoughB. IfC. Unless2.We should protect t...
