This book __________ ten units,__________ three main revision.
--Mum, have you seen my U-Disk?--____________ you bought last Sunday? I'm afraid I haven't seen ________.
There is no greater pleasure than lying on my back in the middle of the grassland, _____at the night sky.A.to stare B. staring C. stared D, having stared
I was lucky enough to get on the train before it ________.
—The T-shirt I received is not the same as is shown online.— ? But I promise you we’ll look into it right away.
His quarrel with his boss ______ him his job.