填空题 It is (believe) ______ that you have been 56 years old. You look much younger than that.

  • 1、
【正确答案】 1、unbelievable    
【答案解析】[译文] 实在难以相信你已经56岁了，你看起来要比实际年龄年轻。
[考点] 同性转换
[解析] 由后一句“you look much younger than that”可知，前一句的意思应该是“难以置信你已经56岁了。”在句中作表语且表否定，因而要用unbelievable。