问题
选择题
I had to tell you that _____you do well in every subject, you won't be elected the monitor. [ ]
A. unless
B. if
C. because
D. when
答案
答案：A
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I had to tell you that _____you do well in every subject, you won't be elected the monitor. [ ]
A. unless
B. if
C. because
D. when
答案：A