问题
选择题
They arrived ______ London ______ the morning of July 1.[ ]
A. in , in
B. in , on
C. on , in
D. at , on
答案
答案：B
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They arrived ______ London ______ the morning of July 1.[ ]
A. in , in
B. in , on
C. on , in
D. at , on
答案：B