◎ 题干
Entering the room, I found Mary ______at the desk and _____a letter.
A.seated; wroteB.sitting, written
C.seating; writingD.seated; writing
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Entering the room, I found Mary ______at the desk and _____a letter.A.seated; wroteB.sitting, writtenC.seating; writingD.seated; writing…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。