题干

—Did you visit the museum today?
—No. We _____ it, but we spent too much time shopping.
A.could have visitedB.must have visitedC.could visitD.must visit
上一题 下一题 0.64难度 单项选择 更新时间:2012-12-29 07:26:37

答案(点此获取答案解析)