5．
单句改错下列句子共有10处错误,错误涉及一个单词的增加，删除或修改。增加：在此处加一个漏字符^，并在其下面写出修改的词。
删除：把多余的词用斜线＼划掉。修改：在错的词下划一横线，并在其下面写出修改后的词。
注意：每处错误及其修改均限一词。
(1) We were astonishing at her failure in the exam.
(2) The first man arriving at America is Columbus.
(3) His dream has been come true.
(4) The plan to expand the company overseas was complete failure.
(5) He is badly off than his classmates which makes him sad.
(6) Whichever breaks the law should be punished.
(7) More than one student are interested in such games.
(8) Studies show that people are possible to suffer from back problems if they always sit before computer screens.
(9) Seen from the top of the hill, we find the city more beautiful.
(10) It is not easy to do good deed forever.