a host of修飾可數(shù)。a host of的意思是許多，后面接可數(shù)名詞復(fù)數(shù)形式。例句：He left a host of other riders trailing in his slipstream.他把其他摩托車手都甩到后面去了。

host的用法

1、host作“東道主,主人”解時(shí),與其相對(duì)的陰性名詞是hostess。

2、host作“大量,許多”解時(shí)常與介詞of連用,其后一般接復(fù)數(shù)名詞。

3、host還可作“軍隊(duì)”解,指軍隊(duì)或武裝起來的一群人,在《Bible》中它指天使軍、眾天使,是集合名詞,當(dāng)其作主語(yǔ)時(shí),其謂語(yǔ)動(dòng)詞可用單數(shù)形式,也可用復(fù)數(shù)形式。

例句：

1、Shall I take my host family a gift?

我要不要給主人家?guī)ЪY物呢？

2、Shall I take a gift to my host family?

我要不要給主人家?guī)ЪY物呢？

3、She took on the role as host of a daytime TV show.

她主持一個(gè)日間電視節(jié)目。

4、She used the towel thoughtfully provided by her host.

她用了主人特意為她準(zhǔn)備的毛巾。

a host of的例句

1、A host of unwelcome thoughts were pressing in on him.

一大堆惱人的心事涌上他的心頭。

2、A host of problems may delay the opening of the new bridge.

一大堆問題也許會(huì)延遲新建橋梁的開通。

3、The special theory of relativity has raised a host of questions.

狹義相對(duì)論引出了許多問題。

4、In addition to the classics, the new e-books will include a host of Rough Guide titles.

除了經(jīng)典著作，新的電子圖書將包括大量出版社的圖書品種。