英语：the number of the stars that we know exist is estimated at 300million 这里的定语从句that we know exist 中 exist 是什么词性呢 看起来有些看不懂 那know 和exist 都是动词了不重复吗

一道英语问题 The number of...The number of the cup _____ five. the number of造句 the number of造句 the reciprocal of number the number of中文 the number of 是什么意思? the number of同义词 The number of students Number of the black a number of the number of the number of,a small number of,a number of. the number of、a number of、large number的区别 英语,明天就考试了是 A number of + is 还是 The number of + is ,求速解 英语里的主谓一致是怎么回事?还有a number of 和 the number of 翻译the system of number The total number of 中文 the number of的用法 a number of the students