10) The full stop derives _______ Greek punctuation which _______ (introduce) by Aristophanes of Byzantium in the 3rd century BC.

9) Youngsters who are used to _______ (communicate) electronically break up their thoughts by sending each one as a separate message, _______ than using a full stop.

7) Most students will agree this is ______ (precious) life period, but they only become aware of it ______ those days are behind.

16) Complete the following sentence to report what was said. “Who is your preferred woman spy?” My friend asked me____________________________________________________.

15) According _______ official files, there were more than 200 women _______ served as double spies during the war.

18) What about _______ (watch) a new series? This one is ______ (tough) than I thought.

12) If I were you, I _______ (show) how brilliant I am by manipulating the language _______ the internet.

17) If Terry’s parents ______ (be aware of) how aggressive he was, they ______ (talk) to a psychologist before.

20) Complete the following sentence to report what was said.“Why can’t we watch this movie?”, my siblings wanted to know. My siblings asked me ______________________________________________.

6) Parents assume their kids learn the things they ______ (interest) in, while children look forward to ______ (satisfy) all their curiosity in a particular field.

21) Recently, scientists _______ (discover) that the longer the journey, the smaller the brains of polar explorers _______ (get) in their Antarctic trips.

25) Research ________ (show) that apps ________ (use) by millions of people in the last ten years.