根据下列各句句意和空白之后的汉语提示词，在横线上写出对应单词的正确、完整形式，每空只写一词。

小题1:The snow storm was the worst natural        (灾难) to hit the city.

小题2:Mary is a stubborn girl that no one can       (劝服，劝说) her to do anything.

小题3:She never forgets the important papers so she is very       (可信赖的，可靠的).

小题4:The shopping center was in       (废墟，毁灭) after the big fire.

小题5:The       (东方的) sky was just turning pink.

小题6:Unluckily, they were       (使陷入困境) in the river.

小题7:David watched the bus until it disappeared       (逐渐地).

小题8:He wants to be a       (记者) when he leaves university.

小题9:Many countries are       (遭受，经历) from air pollution now.

小题10:Some animals choose to live in       (洞穴) to protect themselves.