The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean选什么,为什么

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The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean选什么,为什么

The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean选什么,为什么
The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean
选什么,为什么

The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean选什么,为什么
选B,It's hard to clean it.= To clean it is hard.
当句子的主语比较长时,可用it作为形式主语,后面用不定式作真正的主语.

The room is very dirty today.It's hard——. A.cleaning B.to clean it C.to learning D.to clean
选[D] It's hard to clean. clean和主语it 够成了动宾关系,不能再加一个宾语。
如:The cat is easy to take care of.

答案:The room is very dirty today.It's hard【to clean it】
It is hard to do it .很难完成它
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B it +be+形容词 +to do sth 表示做某事很怎么样

hard to do sth 固定搭配 所以这里选 b to clean it
房间今天太脏了,很难打扫啊
希望对你有帮组哦~