请用适当的词完成下面的短文,每个空只能填写一个形式正确、意义相符的单词。
A 14-year-old Chinese boy SunYixiao was{#blank#}1{#/blank#}his way home last Tuesday evening after school. When he was in the lift, it suddenly stopped. Feeling scared at first, the teenager decided to help{#blank#}2{#/blank#}out. Sun tried to open the lift door, but he gave up the idea later and leaned against the wall, because he thought the{#blank#}3{#/blank#} may fall down suddenly. He then pressed all the buttons in the hope of getting the lift work again,{#blank#}4{#/blank#}it didn't work. Sun then pressed the “stop” button to lock the lift to {#blank#}5{#/blank#}sure it would not fall. Without a cellphone at hand, Sun tried shouting{#blank#}6{#/blank#}to get the attention of people outside, but no one answered as time went by. The young boy didn't give up{#blank#}7{#/blank#}.He sent a note through the door with the message and hoped someone would{#blank#}8{#/blank#}it up and help him out. After doing all these, the boy knew it might take a{#blank#}9{#/blank#}time before someone found him. So he decided to do his homework. Soon after he finished his homework, he was saved at last.
On Weibo, many netizens (网民) spoke highly of the boy, because he could keep calm in the face of such{#blank#}10{#/blank#}dangerous situation. We should learn from him.