高级

单选题PART FOUR
Questions 21—30
•Read the article below about job market.
•Choose the correct word or phrase to fill each gap from A,B,C,or D.
•For each question 21—30,mark one letter(A,B,C,or D)on your Answer Sheet.
•There is an example at the beginning,(O).

根据以上材料,请回答第21题:_________。

参考答案:B进入在线模考
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