Half of the workers here _____ under 30 _____.　A.is/years B.are/year old

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• 1.About 60 percent of the students _____ from the south,the rest of them _____ from the north and foreign countries.A.are/is B.are/are　C.is/are D.are　2.Half of the workers here _____ under 30 _____.A.is/years B.are/year old C.is/years old D.are/years of age　3.Now Tom with his classmates _____ football on the playground.A.play B.are playing　C.plays D.is playing　4.The number of pages in this dictionary _____ about two thousand.A.are B.has　C.have D.is　5.
• Half of the workershere 【 】 under30 【 】 A is years B are year old c is years old D are years of age
• Half of the workers here _____ under 30 _____.　A.is/years B.are/year old
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• The number of the workers in the factory ___________ about two hundre; 选项:a、is b、am C .are c