Question: - on the other hand, frowning, - assured the old man.
Answer: --> - On the other hand, frowning, - assured the old man.

Question: as with international summits the ground work is most important, and prior to the visit we had had close email contact with exchange of ideas and suggestions for future cooperation.
Answer: --> As with international summits the ground work is most important, and prior to the visit we had had close email contact with exchange of ideas and suggestions for future cooperation.

Question: confidence. enthusiasm. strong emotions.
Answer:
--> Confidence. Enthusiasm. Strong emotions.