I think is necessary for us to sleep for eight hours everyday.同义句I think __ __ for us to sleep for eight hours everyday.漏掉了，是 I think it is necessary for us to sleep for eight hours everyday.同义句
问题描述：
I think is necessary for us to sleep for eight hours everyday.同义句
I think __ __ for us to sleep for eight hours everyday.
漏掉了，是 I think it is necessary for us to sleep for eight hours everyday.同义句
答
it necessary
答
问题补充：为什么填to sleep? it’s important for sb to do sth. 对于某人来说做…是重要的 不太清楚你想问什么，如果是填空的话，这里应该
答
I think it is necessary for us to sleep for eight hours everyday.同义句
I think it necessary for us to sleep for eight hours everyday.
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