To prevent the spread of the novel coronavirus，people in China have to stay inside most of the time，taking online classes or working from home． （1）

However

However

there are people risking their lives for the rest of us - delivery （運送）drivers．
    Gao Zhixiao，a 32-year-old delivery driver， （2）

was introduced

was introduced

（introduce） by Time magazine last week．Gao appeared on the cover of the magazine（3）

for

for

his bravery and hard work during the outbreak．He and other drivers deliver food，medicine and other goods to people all over the country．Through （4）

their

their

（they）efforts，people have been able to get through the outbreak with some comfort．Drivers like Gao are in great need now．Food delivery service Meituan has seen its sales increase by more than 400 percent in some（5）

cities

cities

（city），according to Time．These sales can only be made possible by hard-working delivery drivers．
    Gao，like his fellow drivers，takes（6）

a

a

health test every morning before beginning his deliveries．He has to spend 20 minutes disinfecting （消毒）his motorcycle and clothing （7）

to prevent

to prevent

（prevent） any possible spread of the virus，according to Time．Besides delivering goods，Gao once （8）

gladly

gladly

（glad）cooked for an elderly customer who was living alone at her home．He said， "I made her instant noodles and two boiled eggs，then took the trash out （9）

when

when

I left．She thanked me again and again．It was one of （10）

the happiest

the happiest

（happy） moments in my life．