Complete the text. use the derivatives of the words on the right. in some families children surf the internet for several hours. many parents (1) this (2) work on the computer. they think that some computer sites can show too much (3) and (4) . they also (5) to let their sons and daughters spend a lot of time before monitors because young people become (6) not sporty and even physically (7) . some parents say they want to control the (8) their children get which is often (9) like, stop violent, aggressive agree active, fit inform possible