a number of 后面加什么，the number of 后面加什么。
a number of\u4e0ethe number of\u7684\u540e\u9762\u52a0\u4ec0\u4e48anumber of\u52a0\u53ef\u6570\u540d\u8bcd\u590d\u6570\u5f62\u5f0f\u7cfb\u52a8\u8bcd\u7528\u590d\u6570\u5f62\u5f0f\uff0c\u4e5f\u53ef\u52a0\u4e0d\u53ef\u6570\u540d\u8bcd\u7cfb\u52a8\u8bcd\u5355\u6570\u5f62\u5f0f\uff0c\u8bb8\u591a
the number of \u540e\u52a0\u53ef\u6570\u540d\u8bcd\u590d\u6570\u7cfb\u52a8\u8bcd\u7684\u5355\u6570\u5f62\u5f0f\uff0c\u4ec0\u4e48\u7684\u6570\u91cf
a number of\u540e\u5bb6\u540d\u8bcd\u590d\u6570\uff0c\u8868\u793a\u8bb8\u591a\u7684\u3001\u4e00\u4e9b.
the number of\u540e\u52a0\u540d\u8bcd\u5355\u6570\uff0c\u8868\u793a\u4ec0\u4e48\u7684\u6570\u76ee.
1\u3001a number of
\u53cc\u8bed\u4f8b\u53e5
1.And a number of African countries, too, are slipping through the net. \u5e76\u4e14\u4e00\u4e9b\u975e\u6d32\u56fd\u5bb6\u4e5f\u88ab\u6f0f\u6389\u4e86\u3002
2.A number of governments banned the ship from their territorial waters.
\u8bb8\u591a\u56fd\u5bb6\u90fd\u7981\u6b62\u90a3\u8258\u8239\u8fdb\u5165\u5176\u9886\u6d77\u3002
3.Once at Elgin day-trippers visit a number of local sights.
\u4e00\u5230\u8fbe\u57c3\u5c14\u91d1\uff0c\u4e00\u65e5\u6e38\u7684\u6e38\u5ba2\u5c31\u53c2\u89c2\u4e86\u4e00\u4e9b\u5f53\u5730\u7684\u98ce\u666f\u540d\u80dc\u3002
2\u3001the number of
\u53cc\u8bed\u4f8b\u53e5
1.The city has trebled the number of its prisoners to 21,000.
\u8be5\u5e02\u7684\u56da\u72af\u4eba\u6570\u589e\u957f\u4e86\u4e24\u500d\uff0c\u8fbe\u523021,000\u4eba\u3002
2.The number of commuters to London has dropped by 100,000.
\u5f80\u8fd4\u4e8e\u4f26\u6566\u7684\u4e0a\u73ed\u65cf\u51cf\u5c11\u4e8610\u4e07\u3002
3.The number of women who become pregnant after adopting children is legion.
\u9886\u517b\u5c0f\u5b69\u540e\u6000\u5b55\u7684\u5987\u5973\u6bd4\u6bd4\u7686\u662f\u3002
比如，A number of students are leaving the school.
the number of… 意思是 ……的数量，后面加名词复数,但是作为句子主语时，谓语用单数。
比如 The number of students is 25.
a number of.许多+名词复数 the number of ……的数量+名词单数
