In many European countries, one has to decide much earlier what one"s career is
题型:模拟题难度:来源:
In many European countries, one has to decide much earlier what one"s career is going to be, and there is less freedom in changing one"s decision _____ one has chosen a particular path.
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A. once B. before C. until D. as
答案
A
举一反三
Children of all ages can learn a lot of things, such as road awareness and street safety skills, ____ they walk without knowing.