句子：People who are unable to speak sign what they want to say with their hands.
题目
句子：People who are unable to speak sign what they want to say with their hands.
句中的sign表示及物动词令我不理解,speak后可接动词吗?
答案上说sign是及物动词，意思是“比划出；做手势；打信号”为何sign在这里是动词呢？
答案
举一反三
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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