They worked hard to -----their small business into a large o

transform与into连用,意思是“把……变成”
transform barren hills into orchards
改荒山为果园
这个题?
They worked hard to _______ their small business into a large one.
A. transform B. transition C. transit D. transport
【详解】答案A.句意：他们努力工作,把一个小企业变成了大企业.transition为名词,应排除.transit v. 通过,经过；transport v. 运输.均不合题意.transform与into连用,表示“把……变成”,符合题意.