It was not until dark ______ he found ___ he thought was the correct way to solve the problem.
A. that; what B. that; that C. when; what D. when; that
Since the epidemic appeared last winter, it ______ about a hundred lives.
A. takes B. took C. has taken D. will take
China won Olympic gold in the women's short track 3,000 metres relay on Wednesday, with Canada ____ the silver．
A．picking up B．taking up C．looking up D．bringing up
_____ in the regulations that you should not tell other people the password of your e-mail account.
A. What is required B. What requires C. It is required D. It requires
The conference has been held to discuss the effects of tourism ______ the wildlife in the area.
A. to B. on C. at D. with
I’ve already told you that I’m going to buy it, ________.
A. how much does it cost B. no matter how it costs
C. however does it cost much D. however much it costs
