问题
选择题
I often get up__________ about 9 o'clock __________ Sundays. [ ]
A. in; on
B. on; at
C. at; on
D. in; at
答案
答案：C
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I often get up__________ about 9 o'clock __________ Sundays. [ ]
A. in; on
B. on; at
C. at; on
D. in; at
答案：C