题目内容：

 

   此题要求对一段文章改错。先对每一行做出判断是对还是错。如果是对的，在该行右边横线上画一个勾（√）；如果有错误（每行不会多于一个错误 ），则按情况改错如下：

此行多一个词，把多余的词用斜线（﹨）划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词，在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。

此行错一个词，在错的词下划一横线，在该行右边横线上写出改正后的词。

注意：原行没有错的不要改。

When Mr. and Mrs. Smith went to theatre, they left their                 1.__________

German dog to guard his home. When two burglars broke                2.__________

into and the burglar alarm rang, the dog was waiting for them.          3.__________

Unfortunately, one of the burglars was dog-lover, and he         4.__________

quickly made friends with it. While the alarm was ringing,      

but the burglars were stealing cash and jewelry, worth over     5.__________

$10,000, from a safe, the dog laid down in his basket and went  6._________

to sleep. When the police arrived twenty minutes later, the     7._________

burglars had gone. The dog was proud guarding the empty safe.   8.__________

When the first detective entered into the room, it immediately  9._________

attacked her, tearing her trousers and bit her in the leg.      10.__________