The reason why we should keep learning is
- to challenge ourselves.
- to stimulate our brains.
- to keep up with current trends.
- to obtain a better understanding of the unceasningly changing world.
“We use cleft sentences, especially in speaking, to connect what is already understood to what is new to the listener. In a cleft sentence, a single message is divided (cleft) into two clauses. This allows us to focus on the new information.” Cambridge Dictionaries Online
Grammar-quizzes.com: explanation and exercises
Educastur pdf with answer key
Multiple-choice exercise (made by Carmen Luisa)
Oxford University Press: unscramble the sentences