单项选择题
A．he brought him a different watch B．he was sure Bob had stolen the watch C．he could see that Bob had a knife D．he didn’t listen to his speech
A．, by using credit cards we can spend more than we have, ______within a certain period of time.A. but we have to pay back later more than what we owe B．and we don’t have to pay back any other money C．but we pay back a little less than what we owe D．and we must soon pay back what we owe
A．Young mothers and disabled people like to work at home. B．As people are widely using computers, it’s not necessary for any of them to work in the offices now. C．Some skilled workers can work at home. D．Many people do part of their work at hom