#1,2.3  - No solution.

- #1, 2 - They are all the same.

- #3 -  A D - the same,   B C - the same

II. Complete the following sentences with the correct form of the words in the to the brackets.

1. They were very surprised when they knew his ___nationality___ . (nation)

2. He is so __active__ to his community because he never misses an opportunity to help people. (activity)

3. In addition to hand gestures, facial  __expression___ also belongs to non-verbal communication. (express)

4. Despite the __popularity_  of chatting online, we will still be using face-to-face meetings to communicate with each other in the year 2050. (popular)

5.   Some types of computer games can be _educational_________. (educate)

6. Smartphones can vary from day to day due to new _invention__ by different companies in the world. (invent)

7. The _____construction______ of a nuclear power plant costs a lot of money. (construct)

8. Space ___exploration____ brings about many benefits to science. (explore)

9. Life is become easy and __comfortable____ through science and technology. (comfort)

10. Nuclear waste is __harmful__ for both humans and the environment. (harm)

1.    He is too ill (eat) ……to eat…….….anything.

2.    Do you feel like (go) …going.…….to a film or would you rather stay at home?

3.    It takes me hours (write) ……to write…… a letter.

4.    Could you please stop (make)……making……so much noise?

5.    There’s no point (study) ……studying……when you’re feeling tired.

6.    I don’t recommend (eat) ……eating….in that restaurant. The food is awful.

7.    Tom refuse (give)­………to give…….me any money.

8.    Jill has decided (not drive) ……not to drive……..a car.

9.      The film was very sad. It made me (cry) …cry………...

10.  Tom’s parents have always encouraged him (study) …to study …hard.

11.  We were kept at the police station for an hour and then allowed (go) …to go….

12.  One day I hope (have) …to have…..enough money to travel around the world.