问题
选择题
—What time do you usually get up in the morning?
—_______ six o'clock. [ ]
A. On
B. For
C. In
D. At
答案
答案：D
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—What time do you usually get up in the morning?
—_______ six o'clock. [ ]
A. On
B. For
C. In
D. At
答案：D