1. Choose the right words to complete the sentences.

1. Many of the gadgets we see in films don’t exist in *fact/realty*.
2. Scientists face many *difficulties/obstacles* when they try to create a perfectly functioning robot.
3. In my opinion, the main *problem/trouble/difficulty* with mobile phones is that their buttons are too small.
4. I would like to have a robot that would *clear/clean* my house.
Нрмер 2. Фото: