题干
Betty arrives _______ London _______ the morning of June 1st.
A：at ; in
B：at ; on
C：in ; in
D：in ; on
答案(点此获取答案解析）
D
Betty arrives _______ London _______ the morning of June 1st.
A：at ; in
B：at ; on
C：in ; in
D：in ; on
