They own two cars, not to _____ a motorbike.
.What lessons China can draw from________global financial crisis has become ________ hot topic among us students..
.---Does Bill do his new job well ? ------_______his old job . I'm afraid there is no hope for him .
.—Have you thought of a topic for your speech yet? —No, I__________ a lot about it, but I haven’t decided.
.The users of this new mobile phone can check e-mails _____ they happen to be.
.We trust you; only you can ______ him to give up smoking.