On 5 December 2013, China Central Bank prohibited financial institutions from handling Bitcoin transactions, _____  to regulate the virtual currency. 

A case of suspected food poisoning in New York has led to 6 high school students          to hospital.

 --- Why do you look so upset? --- There are so many troublesome problems _________.

________ with what he said, what he did was more valuable.

Diaoyu Islands are made up of a group of islands, ________ China since ancient times.

 --- I think what he has done for the company deserves__________ at the meeting. --- I can’t agree more.

_________ more customers, many companies prefer to spend a lot of money in advertising. 

Everyone is looking forward to seeing the plan ________ in the near future. 

________ in the traffic jam, she failed to catch the train, which mader her upset. 

     in her most beautiful skirt, the girl tried to make herself        at the party. 

______ to as much English as possible is a good way to learn English well.

Mrs  Smith hurried back home after work，only _________that the kitchen was a mess 

The Chinese mainland has 157 billionaires as of 2013，_________second in the number of billionaires worldwide．

 I have learned a lot about Asian customs, ______ in the small village for three years in the early 1990s.

______to the sun for too long, I think, can hurt your skin.

______ at my classmates’ face, I read the same excitement in their eyes.

        , he dialed 999. 

. Can you tell me the way you think of________ the problem?

 I can’t stand _______ with Jane in the same office. She just refuses _______ talking while she works.

Most computer users think it necessary for their software ________ regularly．