问题
选择题
—Can I watch TV this afternoon, Mum?
—Yes, but _____ you have to finish your homework.[ ]
A. first
B. once
C. again
D. ever
答案
答案：A
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—Can I watch TV this afternoon, Mum?
—Yes, but _____ you have to finish your homework.[ ]
A. first
B. once
C. again
D. ever
答案：A