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It is often recommended that children ________chances to get close to nature.
A.are offeredB.be offeredC.should offerD.must be offered
B
考查虚拟语气。Recommend推荐,建议,后面的宾语从句要用(should)+do的虚拟语气,排除A,D;且主语children和offer之间是动宾关系,所以用被动语态。选B。
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