根据P19教材课文，在空白处填入1个适当的单词或括号内单词的正确形式

　　But 7.a few people think the charge should be much 8.higher(high), for example rich businessmen 9.who/that work in the city centre and can easily afford it. This would keep even more cars out of central London, and the roads would be nearly empty. 10.However, there are no plans to increase the charge.

　　Ⅰ.单词拼写

　　根据汉语或首字母提示，写出下列单词

　　1．You never know how he is going to react(反应) to the news.

　　2．The roadworks(道路施工) are slowing the traffic in the morning.

　　3．The traffic congestion(拥塞) in the city gets even worse during the summer.

　　4．Please write down your telephone number on the registration．

　　5．The beautiful sunny morning put him in a good mood．

　　6．One of the solutions to the heavy traffic problem is to reduce the number of vehicles.

　　Ⅱ.拓展词汇

　　根据词性和汉语提示，写出下列单词

　　1．react vi. 反应→reaction n. 反应

　　2．solve v. 解决→solution n. 解答；答案

　　3．mood n. 心情；心境→moody adj. 情绪多变的

　　4．register v. 登记；记录→registration n. 执照；登记

　　Ⅲ.补全短语

　　根据提示补全下列短语

1．switch off　 关上(电灯、电视等)；断掉(电源)