1£®He has been telling (tell) jokes in the past minutes to keep us interested in the subject.

2£®In addition, the more you work out, the more energetic (energy) you will become.

3£®My previous teacher has a great sense of humour and always keeps us amused  (amuse)with her stories.

4£®State schools are paid (pay) for by the government, but in private schools, the parents pay for the education of their children.

5£®The writer expressed himself incorrectly (correct)£®As a result, he made himself misunderstood.

6£®The activity is not well organised (organise), which makes us very disappointed.

7£®Her speech gave us the impression (impress) that she was positive about the new teaching system.