1．He sat there silently, with his head buried(掩埋) in his hands.
2．An unexpected storm occurred(发生) when we were enjoying the pleasant voyage at the Yellow Sea.
3．I helped him choose furniture(家具) for his new house yesterday.
4．Although he is young, he is an experienced(有经验的) English teacher.
5．A violent (猛烈的) storm swept the whole city, causing(引起) many people to lose their homes.
6．People standing under a tree in a thunderstorm are likely to be struck(袭击) by lightning.
7．One million and five hundred thousand people died in natural disasters(灾害) between 2000 and 2018.
8．The high tree was struck by lightning(闪电) and fell down.
