2. 外语
  3. It was recommended that passengers______smoke during the flight.

It was recommended that passengers______smoke during the flight.

admin2012-06-19  69
问题 It was recommended that passengers______smoke during the flight.
选项 A、not
B、need not
C、could not
D、would not
答案A
解析 recommend跟主语从句时，从句的谓语动词用(should)+动词原形。
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