Complete the sentences using one of these verbs: get, change, rise,

Complete the sentences using one of these verbs: get, change, rise, fall, increase. You don39;t have to use all the verbs and you can use a verb more than once. 1) The population of the world is rising very fast. 2) Ken is still ill but he ..................... better slowly. 3) The world ..................... .Things never stay the same. 4) The cost of living ...................... . Every year things are more expencive. 5) The economic situation is already very bad and it ........................ worse.