1 . 单句改错
下列各句中都有一处错误，错误涉及一个单词的增加、删除或修改，请按要求修改下列各句。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
1. Jack always waters his plants before he head for work.
2. The apartment is belonged to my grandfather in the 1980s.
3. Speak in public is a lot more difficult than talking to your friends.
4. Mary didn’t come to school today because she had temperature yesterday.
5. I am watching TV last night when my sister came in with a friend of hers.