问题
选择题
My mother is a teacher. She goes to work ____ 7:00 ____ the morning. [ ]
A. at…on
B. at…at
C. at…in
答案
答案：C
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My mother is a teacher. She goes to work ____ 7:00 ____ the morning. [ ]
A. at…on
B. at…at
C. at…in
答案：C