Tony ________ full marks, but he was so careless as to make a spelling mistake. A. could have gained...
2022-11-28 22:30:33 182次 2013-2014学年河南省郑州市高三上学期第六次调考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Tony ________ full marks, but he was so careless as to make a spelling mistake.
A. could have gained B. can have gained
C. must have gained D. must gain
本题链接：
