题干

(2013·皖南八校联考)________ here yesterday,he could have seen Jackie Chan.
A.If Bob has come B. If Bob came
B.If Bob had come D. If Bob should come
上一题 下一题 0.65难度 单项选择 更新时间:2014-03-11 05:13:34

答案(点此获取答案解析)