1 . 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：在错的词下划一横线，并在该词下面写出修改后的词。
1. A large quantity of face masks were delivered to Africa last month.
2. I have three partners in the group, two of them have difficulty learning English.
3. After her journey from abroad, Jenny returned home, exhaustedly.
4. It was in the TV studio which was built last year where the interview was recorded.
5. When you study the local map, you will find this town is three times the size as that one.
6. He made a practical suggestion, which I think it is of great benefit to everyone present at the meeting.
7. My friend Jim is quite shy, but can you image him sing at the party held to welcome the exchange students?
8. Fully occupying with her work, she didn’t notice Peter enter the room.
9. The protesters demanded that the policeman gave a reasonable explanation for the shooting.
10. The fire broke out again, killing ten people. The official in charge of the security is blame.