2. 外语
  3. The experiment is not satisfactory and its data is doubtful; we’ll have to do it ______ time.

The experiment is not satisfactory and its data is doubtful; we’ll have to do it ______ time.

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问题 The experiment is not satisfactory and its data is doubtful; we’ll have to do it ______ time.
选项 A、second
B、a second
C、the second
D、this second
答案B
解析
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