题干


I kept looking at the man wearing a pair of glasses, wondering ________.
A.whether did I borrow his book B.where I had seen him before
C.what I knew his wife D.when had I helped him
上一题 下一题 0.94难度 单项选择 更新时间:2010-07-01 09:27:44

答案(点此获取答案解析)