问题
选择题
— Who do you think ________ the book here?
— It may be John. He was sitting here all the morning. [ ]
A. was leaving
B. leaves
C. had left
D. has left
答案
答案：D
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— Who do you think ________ the book here?
— It may be John. He was sitting here all the morning. [ ]
A. was leaving
B. leaves
C. had left
D. has left
答案：D