◎ 题干
_________ social workers _________. We really enjoy doing volunteer work very much.
A.To be; are fun B.Being; is funC.Being; are funD.To be; is funny
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_________ social workers _________. We really enjoy doing volunteer work very much.A.To be; are fun B.Being; is funC.Being; are funD.To be; is funny…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。