---- Who knocked at the door? ---- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who was___.
Work gets done __________ when people do it together and the rewards are higher too.
—I don’t think I need to buy that toy penguin—it’s for kids. —__________you don’t have kids, buy it anyway because it looks good.
—Have you worked here since you graduated? —No, I ____________at a factory in Beijing for six years.
—Who is making so much noise in the garden? —___________ the children.
The manager spoke highly of such ___________ as loyalty, courage and truthfulness shown by his employees.