问题
选择题
—When do you have math?
—I have it _____ Monday, Tuesday and Thursday.[ ]
A. in
B. at
C. on
D. of
答案
答案：C
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—When do you have math?
—I have it _____ Monday, Tuesday and Thursday.[ ]
A. in
B. at
C. on
D. of
答案：C