问题
选择题
She went ____ a visit ____ her son in hospital. [ ]
A. on, at
B. on, to
C. to, at
D. out, at
答案
答案：B
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She went ____ a visit ____ her son in hospital. [ ]
A. on, at
B. on, to
C. to, at
D. out, at
答案：B