根据句意及首字母提示完成单词
【小题1】When a firehappens (发生), you should keep calm and go out of the building as quickly as possible.
【小题2】She is careless, she often makes some mmistakes in her homework.
【小题3】It’s our duty to help people when they’re in ttrouble .
【小题4】I want to iimprove my English.
【小题5】This team we arerelaxed (感到轻松的)about our homework.
【小题6】They’resuccessful (成功)in business.
【小题7】My father enjoysreading (读)newspapers every evening.
【小题8】Study hard and you will aachieve your dream.
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解析：
【小题1】此题考查动词，发生用happen，主语第三人称单数故用happens.
【小题2】此题考查固定短语make some mistakes表示犯错误，mistake是可数名词。
【小题3】此题考查固定短语in trouble表示处于困境。
【小题4】此题考查单词的拼写，improve表示提高。
【小题5】此题考查固定短语be relaxed about表是对…感到轻松。
【小题6】此题考查固定短语be successful in sth表示在某些方面比较成功。
【小题7】此题考查固定短语enjoy doing sth表示喜欢做某事。
【小题8】此题考查动词achieve sth表示成功做某事。