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Knowing of 1_____________ languages has a practical value. It makes it easier to 2_____________ a profession and provides job promotion. It helps to improve the quality of your 3_____________, because it reduces the time lost on obtaining the necessary information. At present many professions, such as a pilot, a doctor, an engineer, a cosmonaut and many others, require a working 4______________ of at last one foreign language.
foreign
choose
work
knowledge