-- _____is that used for?---_____ the floor.
I’ve just seen no more than one copy of“ Gone with the Wind”in the bookshop opposite. Tom, go and buy ________ back.
Accounting is described as ________ science of classifying, recording and reporting ________ important financial events.
It never occurred to me you could succeed in persuading him to change his mind.
_________ from the space, the Great Wall lies in the mountains like a huge dragon.
With so much noise of the traffic, I couldn’t ______ and do my research work.