例文① I cannot answer that question. 以上の例文と同じ用法の文を以下に挙げる。
・Thing that sound bad might be words or the result of some action.(Unit 14)
・Anyone who sees,touches,or hears that car will be impressed. (Unit 19)
例文② To be or not to be:that is the question.
・Of course,that is funny,but the subject of safety is very serious. (Unit 3)
・That is one of the first questions you will be asked in the U.S. (Unit 4)
例文③ Taro knew that the party would be informal.