第一节：单选填空（共15小题；每小题1分，满分15分）
21. ---The frequent terrible coal mine accidents killed more than 1,000 people in China last year.
---_______.
A. Quite OK B.Certainly C.That’s the case D. I agree
22. Every day the boy, together with his classmates,_______to go to the sports ground and______football, _________themselves.
A.are noticed; play; enjoying B.is noticed; plays; enjoying
C.are noticed; plays; enjoys D.is noticed; play; enjoying
