Will you deliver, _____ do I have to come to the shop to collect the goods?
— I telephoned him twice and I couldn’t get through to him. —I think that the line might have been out of order, _______?
—How do the shops make money if they sell at such low prices? —Manufacturers, it seems, are willing to bring down prices _______ big volume purchases.
It is commonly assumed that the growth of GDP and the development of people’s living conditions are not _______cause and effect.
—How much is too much for a schoolbag? —Experts say students should carry_______ more than 10 or 15 percent of their body weight.
Although the huge engine, as tall as 25 meters, is heavy_______, it is powerful and works well.