為你
was 是系動(dòng)詞,后面的不定式短語 to think... 作表語.
當(dāng)was前面出現(xiàn)動(dòng)詞do的時(shí)候,不定式符號to可以省略,此時(shí)就剩下think了.
不懂請追問,滿意請采納.謝謝!
all you had to do was think a little harder ,was后面為什么加think的原形?
all you had to do was think a little harder ,was后面為什么加think的原形?
英語人氣：928 ℃時(shí)間：2020-04-10 15:39:23
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