问题
选择题
His sister _____ to the hospital. She will be back _____ half an hour.[ ]
A. has gone; after
B. has been; in
C. has gone; in
D. has been; after
答案
答案：C
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His sister _____ to the hospital. She will be back _____ half an hour.[ ]
A. has gone; after
B. has been; in
C. has gone; in
D. has been; after
答案：C