题目内容
You’d better finish your homework now, I won’t let you out.
A. and B. or C. so
B
解析试题分析：句意：---你最好现在完成你的作业，要不然，我将不让你出去。A. and 和；B. or要不然；C. so因此；根据句意故选B.
考点：考查连词的用法。
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