2. 外语
  3. (There are) twelve people (take part) in the experiment, four (working) (as) a group.

(There are) twelve people (take part) in the experiment, four (working) (as) a group.

admin2008-06-13  87
问题 (There are) twelve people (take part) in the experiment, four (working) (as) a group.
选项 A、There are
B、take part
C、working
D、as
答案B
解析 应改为taking，分词短语作定语。本句的意思是：“有12个人参加了试验，4个人一组。”
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成人本科学位英语

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