1.保持“阴”与“阳”的平衡是很重要的
It's very ______ ______ _____ ______ ______ ______ yin and yang.
2.直到音乐会结束了,我才回家
I _____ go home ______ the concert was over.
3.她现在很虚弱
She is very weak ______ ______ ______.
4.I studied until eleven o'clock last night.(改为同义句)
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