问题
选择题
Our afternoon class starts _____ 2 p.m., I must come to school before 1:50. [ ]
A. in
B. on
C. at
D. of
答案
答案：C
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Our afternoon class starts _____ 2 p.m., I must come to school before 1:50. [ ]
A. in
B. on
C. at
D. of
答案：C