Repetition usually tells us that the someone wants a large emphasis on this word: that it has a significant meaning to them, and/or possibly the whole tale itself.
The subjunctive mood is the best.
The subjunctive is rarely used in colloquial English. Totally irrelevant information, but... it is a relic from Latin, where there are many uses for a subjunctive. There is even a special conditional using the subjunctive mood that expresses the exact circumstances you described, which is usually called future less vivid.
Answer:
<u><em>A Period of Cold Weather in Switzerland </em></u>
Explanation:
A persuasive speech on a school rule, or a thing you want, or for school to allow phones during lunch or something like that.
