题目内容

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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