13,After the heavy rain,the river ______.A,is risen B,is rai

13,After the heavy rain,the river ______.A,is risen B,is raised C,rose D,raised 14,this kind of thing _____ already _____ somewhere in the world.A,has been,happened B,has,happened C,will,happen D,are,happening 15,the film _____at night.And then we walk home.A,world be ended B,was ended C,is ending D,ended