题目

More patients _______ in hospital this year than last year. A. treated        B. have treated        C. had been treated         D. have been treated 答案：D 解析: 病人被治疗，又有时间this year，应用现在完成时的被动语态。直接写得数． 37+17= 5×9= 8×6= 40-8= 7×4= 32+40= 95-40= 6×7= 4×9= 70-49= 30+15= 5×8= 8×7= 2×9= 9×9= 4×6= 9×7-13= 40+24-8= 92-54+20= 21+18+32=