Complex sentence: As the general arrives, the news of herr Flick's arresting of Helga makes him very cross, though he is determined not to have his evening ruined and so, he orders wine and another girl to be his companion for the evening.
Split into simpler sentences: As the general arrives, the news of herr Flick's arresting of Helga makes him very cross. However, he is determined not to have his evening ruined and so, he orders wine and another girl to be his companion for the evening.