问题
选择题
I have to study ________ a math test ________ next week. [ ]
A. with; on
B. for; on
C. in; /
D. for; ／
答案
答案：D
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I have to study ________ a math test ________ next week. [ ]
A. with; on
B. for; on
C. in; /
D. for; ／
答案：D