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

Half of the workers here _____ under 30 _____.　A.is/years B. Half of the workers here are under twenty __B__ A.years old Half of the workers here ________ under 30 ________. Half of the fruit _____ gone bad. A. is B. are C. has D. hav She is one of the workers who _____(work) hard. the park _____ for one and a half years. The school is _____ A.half an hour B.half an hour's More than half of the workers in this factory _____ fro _____ is that man under the tree?He is a doctor A.what B.who where is the drum? it's _____ the wall A.under B.in C.on 详解 _____ boy is tom?The boy under the three.A who B where C whi 23.In our factory _____ of the workers _____ from Jiangxi.A.