請問第二題為什麼said前面要加is呢？

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請問let have make 和後面接的原形動詞誰才是句子中的動詞

請問第14題 謝謝

說 | 14f 和也e Basic Com) 4fomorrow NM 以人 have been Preparing for (B) am prebp: Petence Test for a long 和 C) was prepared for

求說明ㅠ ㅠ

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什麼是連綴動詞？