题目内容
【题目】Though ________ to see us, the professor gave us a warm welcome,
A. surprise B. was surprised
C. surprised D. being surprised
【答案】C
【解析】though 引导的让步状语从句中省略了主语和谓语动词,补充完整为: Though he was surprised to see us. 由于该从句中的主语和主句的主语一致且谓语动词为be的相应形式,故可省略主语和be。
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