21. As the story , the truth about strange figure is slowly discovered.
A. begins B. happens C. ends D. develops
22. Surprisingly, Susan’s beautiful hair reached below her knees and made almost an overcoat for her.
A. them B. her C. itself D. herself
23. -— Oh, you sounded just like a native.
— .I still have trouble expressing myself.
A. Well, not quite B. I don’t care
B. C. Yes, you’re right D. I’m glad you like it
