Giúp mik với ạ .........

14. I saw a thief take Peter's wallet so I ran him, but I didn't catch him. A. into B. after C. over D. by 15. They have made a lot of progress_ independent. the country became A. for B. since C. before D. until 16. This watch costs too much, ? A. doesn't it B. isn't it C. does it D. i ...