YCT一级第一套
YCT Level I Old Exam I

YCT一级第二套
YCT Level I Old Exam II

YCT一级第三套
YCT Level I Old Exam III

YCT一级第四套
YCT Level I Old Exam IV

YCT一级第五套
YCT Level I Old Exam V

YCT一级第六套
YCT Level I Old Exam VI