根据短文内容及所给提示,在文中的空白处填写一个正确的单词。
Hello, everybody. I'm so {#blank#}1{#/blank#} (happy) to talk about my favourite hero here. As we all know, at the end of 2019, Corona Virus Disease 2019, COVID-19 {#blank#}2{#/blank#} (break out) in China. Many doctors and nurses {#blank#}3{#/blank#} (will) to fight the disease. They are great, and they are the {#blank#}4{#/blank#} (heroe) in my heart. What about {#blank#}5{#/blank#} (your)?