you should have thanked her before you left.I meant----,but

学习时间:2026-03-30 11:05:46 阅读：7259

you should have thanked her before you left.I meant____,but when I was leaving I couldyou should have thanked her before you left.I meant____,but when I was leaving I couldn't find her anywhere.A to do B to C doing D doing so为什么不能选A?

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酷酷的期待

2026-03-30 11:05:46

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B,这是动词不定式的省略形式,后面的do sth一起省略,这里必须要用mean to do而不是doing（前者是“打算做某事”,后者“意思是,意味着”,意思不对）
句子意思是“你应在走之前感谢她
我打算这样做,但是当我要离开时去找不到她”
补充：A的do是一个实义动词,需要加宾语sth的,动词不定式的省略是到to为止的（有时表示过去要加上have）,后面的do sth要一起省

you should have thanked her before you left.I meant----,but

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