On December 10,2013,many world’s top leaders went to Johannesburg _____Nelson Mandela, who had passed away.
| A．in honor of | B．in favor of | C．in search of | D．in return of |
If more readers become comfortable with reading digitally, _______ but the book-collectors will want to buy paper books.
| A．anyone | B．someone | C．no one | D．none |
Nearly three days after an 8.8-magnitude earthquake, rescuers 
in Chile were making every effort to _______ possible survivors.
| A．trap | B．reach | C．shelter | D．seize |
The meeting achieved _______ a short statement, leaving many details to be worked out later.
| A．other than | B．anything but | C．little more than | D．more or less |
Efforts to stop smoking in public areas _______ progress in Hangzhou in recent weeks.
| A．made | B．have been made | C．have been making | D．are making |
Some economists predict that the dollar will remain weak _______ economies abroad are expected to grow faster than that of the United States.
| A．while | B．as | C．before | D．until |