Part timers as well as full timers are encouraged to meet and discuss the details of the proposed plan_______ necessary.

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问题 Part timers as well as full timers are encouraged to meet and discuss the details of the proposed plan_______ necessary.

选项 A、meanwhile
B、as often as
C、whereas
D、given

答案B

解析 与从语法方面入手相比,本题从词义分析方面入手则能更迅速地解题。as often as necessary意为“视需要随时”。as often as twice a month也是经常出现的词组,意为“一个月两次的频率”。
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