2. 外语
  3. It was recommended that passengers ______ smoke during the flight.

It was recommended that passengers ______ smoke during the flight.

admin2013-10-11  45
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 根据主句中的动词recommend可以判断，此句考查虚拟语气，从句中的谓语动词是动词原形，助动词 would省略。因此正确答案是A。
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