In the following passage some words have been deleted. Fill in the blanks with the help of the
options given. Select the most appropriate option for each blank.

It is a common sight to find roads littered with scraps of paper, empty cans, cigarette stubs… the list is unending. It is sad that we (1)______ pass by with a look of disgust (2)______ do nothing to clean up the (3)______. Littering pollutes the environment and can be (4)______ for animals. It contaminates the soil and water and (5)______ diseases.