1．Hearing the joke, all of us ________ (爆发) into laughter.
答案：burst
2．It was very hot and the workers went to stand under the ________ (掩蔽) of a huge tree.
答案：shelter
3．People began to wonder how long the ________ (灾难) would last.
答案：disaster
4．(2017·浙江高考)Alia was worried that the fires of war would ________ (破坏) the books.
答案：destroy
5．They were ________ (震惊) at the news that he had cheated so much money.
答案：shocked
6．The people trapped by the fire in this building must be r________ as soon as possible.
答案：rescued
7．This war has caused widespread human s________.
答案：suffering
