We have been excavating layers of ash almost six metres thick, which suggests that they the fire burning all winter.
—Would you mind my opening the window to let some fresh air in? —Not in the least. ________.
December 17, 2011 was a sad day for the North Koreans, ______ their top leader Kim Jung-ill passed away unexpectedly.
—You seem familiar with Mr. John? —Sure, we ______ together for three years in the 1990s.
Most students think this book is useful as it _______ all the basic grammar rules they need to know.
—Mr. Smith, would you have some more ice-cream? —No, thanks. It’s very good, but I have to ______ my weight, you know.