Did you return the book on me? Why can’t I find it anywhere?—_______. You were writing a letter at your desk at that time.

You can’t imagine that a top student ______ have failed in the college entrance examination.

What _______ it is to go swimming in ________ weather!

better learn more about table manners, because the British are rather ______ about it.

It’s difficult to live in a foreign country, if you can’t speak foreign languages.