21. When _______cruel man was hurting the children, there were no adults around who were able to stop______hurting.
A. the, the B. the, 不填 C. a, 不填 D.a, a
22. The parade we nt_______the streets to celebrate the traditional festival.
A. across B. by C. through D. towards
23. _______ in the leg made it impossible for him to walk home.
A. Injured B. Having injured C. To be injured D. Being injured
24. -----Why can’t you answer my question? I gave you some tips just now.
-----Sorry. I ______a magazine.
A. read B. had read C.was reading D. am reading
