5.Fill in the gaps with the worlds in the box.

(Portable reliable improvements annoying tin opener headphones )

1 Wristwatches nowadays are almost the same as when they were first invented.Few......have been necessary.

2 I know I shouldn't get angry,but it's very .....to be next to someone listening to a personal stereo.

You can hear a constant sound coming out of the.....

3 Bob would like to have a small television.He would prefer a.....one so he can take it to his room when he wants to play a video game.

4 My Watch is not at all......Sometimes it's fast.

5 Have you seen the.....?I can't find it and I'd like to have some tuna for lunch.