6.3 课堂作业
Ⅰ.单词拼写
1．It is said that the war l________ for 10 years.
答案：lasted
2．Every season there are many visitors in this city, e________ in summer.
答案：especially
3．You are required to s________ the article within 160 words.
答案：shorten
4．Mr. Smith asked us to finish our homework i________ at weekend.
答案：independently
5．We think there are advantages and d________ of having a mobile phone.
答案：disadvantages
6．In China, the ________ (百分比) of the people who carry a mobile phone is increasing.
答案：percentage
7．The ________ (平均) time the teachers in countryside middle schools spend in teaching is more than 11 hours a day.
答案：average
