Ⅰ.单句语法填空
1．I received a letter containing (contain)some important information about the project.
2．The program is designed to help (help)people who wish to teach abroad.
3．They were taken to the police station as they had entered the area without permission/being permitted (permit).
4．He makes it a rule to take (take)part in some physical labor though he is old.
5．A team，consisting (consist)of two doctors and three policemen，was sent to search for the lost explorers.
6．Compared (compare)with the place where I grew up，this town is much more exciting.
7．As a senior high student，I think you should concentrate your attention on/upon your skills of learning.
8．On average，how much time do you spend on sports activities each week?
9．House prices show no signs of going down，which makes many who want to buy houses worried.
10．Once you leave college，you should be independent of your parents and make money of your own.
