请问把句子 English is useful for our work.改为疑问句,怎样改?
问题描述：
请问把句子 English is useful for our work.改为疑问句,怎样改?
答
What language is useful for our work?
请问把句子 English is useful for our work.改为疑问句,怎样改?
What language is useful for our work?