问题
选择题
Look at this ! I＿＿＿＿＿some magazines and＿＿＿＿＿＿this letter.
A．was looking through； found
B．am looking through； find
C．looked through； had found
D．had looked through； finding
答案
答案：A
Look at this!说明东西已找到。紧接着说是怎样找到的。