问题
选择题
—When do you have P.E.?
—We have it _____ Monday and Friday. [ ]
A. in
B. on
C. at
D. for
答案
答案：B
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—When do you have P.E.?
—We have it _____ Monday and Friday. [ ]
A. in
B. on
C. at
D. for
答案：B