"Getting dark again."
"I don't know, seems to happen every day."
"I just don't understand it!"
We can peruse earlier volumes and find words like Audience and Cat and answers like, "Cats make very poor audiences because when they clap, no sound comes out." The set contains answers, only answers, because it is the Teacher's Edition. Questions, because they start with Q, had not yet been invented so all student texts were blank.
Alphabet goes clear up to Z now, so we can have Questions like: "What's it like outdoors today?" Then go out there and observe:
Those of arithmetical mind may point out I is the ninth letter of the alphabet and multiplying by three would give us 27 where there are currently only 26 letters. To them I caution, do not neglect what is yet to come. One might as easily step outdoors tomorrow --or a century hence-- and observe: "Wow, this is really a long time ago!"