问题
选择题
—Where is John?
—He has gone to the library. He _______ there for an hour. [ ]
A. has gone
B. has been
C. has been in
D. goes
答案
B
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—Where is John?
—He has gone to the library. He _______ there for an hour. [ ]
A. has gone
B. has been
C. has been in
D. goes
B