It's necessary __(keep)the balance of yin and yang.

it's necessary是什么意思 It's necessary __(keep)the balance of yin and yang. I find it necessary to know more about other countriesit necessary 不应该是it's necessary. It's necessary to learn English well. 翻译it's not necessary to hurry It's necessary这是什么形式? It's not necessary _________________(相同的) it's necessary for you to give up smoking(保持句子原意) it's necessary ____you____smoke It's __ __ __ __ (一条惊人的) news Don't be afraid ____(ask) for help. The boy is ____ in this ____book.(interest)It's necessary for us __(keep) heathy realise it necessary还是realise It's necessary可以邦我讲讲么 英语翻译It's __ __ say so It's necessary（ ）protect wild animalsIt's necessary（ ）protect wild animals. It's a busy street.改为同义句 It's __?__ a __?__ street. i think it's necessary to be friendly to others 的necessary用什么形式 It‘s necessary for us___(learn)English well说明原因 it's not necessary to be the same翻译 翻译：It's not necessary to be the same.