问题描述：
2.There are many robots ___ in the factories now.
A:work B:to work C:working D:worked
3.____ you spoke,____ he was.
A:The more,the unhappier B:The more,the more unhappy
要说原因,
A:work B:to work C:working D:worked
3.____ you spoke,____ he was.
A:The more,the unhappier B:The more,the more unhappy
要说原因,
问题解答：
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