问题
选择题
my father is usually _____ home _____ Sundays. [ ]
A. in, in
B. at, at
C. / , in
D. at, on
答案
答案：D
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my father is usually _____ home _____ Sundays. [ ]
A. in, in
B. at, at
C. / , in
D. at, on
答案：D