题目内容：

每句只有一个错误。若该句多一个词，把多余的词用（﹨）划掉，在该行右边横线上写出该词，并用斜线划掉。若该句缺一个词，在缺词处用一个漏字符号（∧），在该行右边横线上写出该加的词。若该句错一个词，在错词的下面划一横线，在该行右边的横线上写出改正后的词。

注意：不要改动原句的意思。

Paris is the capital and largest city of France, situating on the river Seine.Florence is an Italian city which became famous because the Renaissance.Every boy and every girl in our school are encouraged to join one or two clubs according to their hobbies.

The report shows that we are making some progress but that what we need to make greater efforts. By the time it ended, more than 700 people have been killed.