为什么Three quarters of the population are Chinese.此句中动词用复数are?

three-quarters of an Three quarters 为什么不是Third quarters呢？ three quarters of the earth is water为什么用is three quarters of the earth is water 为什么用is three-quarters of abillion是多少? for three quarters of an three-quarters of an three-quarters 是说中长吧~ three quarters of one precent是多少? three quarters of用什么提问 Three quarters of rue USA___with forest. three quarters of a century是什么意思 three quarters of all Americans是什么意思? most three quarters of the earth is water为什么用is是因为水是不可数的还是因为three quarters of the earth是一个整体? 为什么Three quarters of the population are Chinese.此句中动词用复数are? 为什么 three quarters of the population 的be动词用are? three quarters of the population are chinese,为什么chinese不是复数,而indian后要加s three quarters of a million or one and three quarter million 为什么一个quarter加s一个quarter没有s three quarters of the students能否说成three quarters students