Canada is one of _____ largest countries in the world, ______ second only to Russia．
| A．the; the | B．the; a |
| C．a; the | D．the; 不填 |
Amy ______ better last night, but she was a little nervous and didn’t reach her best standard.
| A．could perform | B．must have performed |
| C．should perform | D．could have performed |
The hotel is ______ easy reach of the town centre. It’s only a tenminute trip.
| A．against | B．beyond | C．within | D．beneath |
On Wednesday, the World Health Organization announced that the number of people killed by Ebola has now risen to over five thousand, with more than fourteen thousand ______.
| A．having infected | B．to infect |
| C．infected | D．infecting |
______ it is the first choice of many young travelers, Europe is also seen as a wonderful tourist attraction by many old people.
| A．While | B．Unless | C．Once | D．Until |
With her passionate singing, Zhang Bichen became the winner of the “Voice of China 2014” with more than 60 percent of audiences and judges voting in her ______.
| A．charge | B．favor | C．need | D．reward |