1) They work very.....to achieve this aim
а)difficult
б) hardly
в) heavy
г) hard
2)We have never met ....such people.
а) high
б) taller
в)tall
г)higher
3)My friends .... to the seaside on holidays this year.
а)go
б)going
в)are going
г)goes
4)My brothers are twins but they're very different like.....
а) fire and ice
б) cat and dog
в)warm and cold
г) chalk and cheese

1. a

2.higher

3.are going

4.cat and dog