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
问题描述：
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
答
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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答
B it +be+形容词 +to do sth 表示做某事很怎么样
答
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~
答
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
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.