问题
选择题
The students stay _____ home _____ Sundays.[ ]
A. at, at
B. on, at
C. at, on
D. on, on
答案
答案：C
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The students stay _____ home _____ Sundays.[ ]
A. at, at
B. on, at
C. at, on
D. on, on
答案：C
