问题
选择题
Why are you so happy?
----______my mother buys a new bike for me.
A. So B. Because C. But
答案
答案：B
以Why开头的问句
应用以Because 开头的句子回答
故选B
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Why are you so happy?
----______my mother buys a new bike for me.
A. So B. Because C. But
答案：B
以Why开头的问句
应用以Because 开头的句子回答
故选B