非谓语习题请教2. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.A. it marked B. marking C. marked D. to mark请指教,谢谢,为什么不能用
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非谓语习题请教2. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.A. it marked B. marking C. marked D. to mark请指教,谢谢,为什么不能用
非谓语习题请教
2. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
请指教,谢谢,为什么不能用D
答案是B
非谓语习题请教2. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.A. it marked B. marking C. marked D. to mark请指教,谢谢,为什么不能用
这个简单
如果是A那么It和Marked之间就加一个Was
不用C和D是因为横先前有逗号,这点很重要
而且是同一主语
没有逗号D对
有B对
时间到了
之后再说
V-ing独立主格结构做状语,补充说明前面的句子。而不定式没有这个用法。