维度1 用所给动词的适当形式填空
1．It is the most instructive lecture that I ________ (attend) since I came to this school.
2．The two friends ________ (chat) on the Internet for three hours, and they will go on till next morning.
3．[2021·全国甲卷]The Xi'an City Wall is the most complete city wall that ________ (survive) China's long history.
4．In recent years, social policy ________ (dominate) by cuts in spending.
5．The telephone ________ (ring) in the office all the morning.
6．Lily ________ (consider) going back to school, but she hasn't decided yet.
7．She ________ (work) in Hong Kong since she graduated from university.
8．I feel very tired now. I ________ (clean) the classroom for three hours.
9．Although many measures ________ (take), the world's economy is still going down.
10．In recent years some Inuit people in Nunayut ________ (report) increases in bear sightings around human settlements, leading to a belief that populations are increasing.
