Exercise 5 Instructions: Write down what each underlined pronoun refers to. The Problem of Old Computers Approximately 10 million computers are thrown away each year! Because computers are sent to a dump, (1) they have caused a problem. The compu the government are working on ways to solve (2) it. (3) They have concluded be changes in the way computers are built. (4) They must be made in ways their parts to be recycled. (5) These include the electronic parts, the glas monitor, and pieces of the printer. (1) they = (2) it = (3) They = (4) They = (5) These =​