Ответ:

task 1

1)camping,windsurfing,sightseeing

2)responsible,amusing,outgoing

3)computer studies,history,science

4) все остальное

task 2

1)classroom

2)school

3)dates

4)asleep

5)postcard

task 3

1)arrives

2)are meeting

3)takes

4)isnt leaving

5)are you playing