问题
选择题
I have to study _____ my math test _____ Thursday evening.[ ]
A. for; on
B. at; on
C. for; in
D. on; on
答案
答案：A
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I have to study _____ my math test _____ Thursday evening.[ ]
A. for; on
B. at; on
C. for; in
D. on; on
答案：A