摘要:At last, we found ourselves in a pleasant park with trees providing shade and down to eat our picnic lunch. A. sitting B. having sat C. to sit D. sat 答案:D 命题立意:检查考生对动词形式的辨析和运用能力. 试题解析: 并列连词and 连接found 和sat 两个谓语动词.

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