1) a number of / numbers of + 可数名词复数 + 动词复数 可以理解为量词结构,a number of表示一些,numbers of表示大量。of后面的复数名词才是核心词,谓语动词因此总是复数 Manystudents arrived early, but only a number of them worked on their exercises. The la...
13. ___ the numbers in employment, the hotel industry was the second largest industry in this country last year. A. In line with B. In terms of C. In accordance with D. In proportion to 14.Air travel is so quick nowadays that we can leave London af...
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