'do you like to watch tv' should be accepted as well
"Do you like to watch TV" should be accepted.
"Do you like watching the television?" was marked wrong.
In English, there should not be the article 'the' in front of the word tv or television.
Do you like to watch television was marked wrong. In fact, it is correct english, by jove
television and TV are one and the same. Please learn the English language