16.Twelve percent of the workers here　　　 women. 　A.is　　 　 B.are

15.The number of the students who　　　 part in the entrance examination　　　 great. 　A.takes,is 　 B.takes,are 　C.take,is 　 D.take,are

14.A year and a half　　　 already passed. 　A.has 　 B.have

13.A pair of glasses　　　 lying on the chair. 　A.is 　 B.are

12.My trousers　　　 dirty. 　A.is　　 　 B.are

11.　　　 there any police around? 　A.Is 　 B.Are

10.More than five men　　　 died in the accident. 　A.has 　 B.have

9.Many a man　　　 the story. 　A.believes 　 B.believe

8.Whenever anything　　　 ,please stay here quietly. 　A.happens 　 B.happen

7.No teacher and student　　　 in the school. 　A.is 　 B.are