21. Less than three weeks after “Avatar”_______ theaters, the high-tech science fiction epic is already one of the most successful movies.
A. attract B. hit C. guide D. swell
【解析】选B。《阿凡达》上映后不到3个周，这部高科技科幻史诗片就已成为最成功的电影之一。hit在此表示“到达”。attract吸引；guide引导；swell膨胀。
22. —Sorry, do you mind if I smoke here?
—Yes, _______ .
A. you could B. go ahead
C. I do D. my pleasure
【解析】选C。考查交际用语。回答mind的问句有两个，表不介意时用“No. ”表介意时用“Yes”，此处答语是“Yes”，意思是“是的，我介意。”排除A、B；而D项是用于感谢的回答，选C符合，do代替mind。
