—Which country has the_____population in the world?
—China.
| A．smallest | B．most |
| C．largest | D．large |
Five million, five hundred and fifteen thousand, one hundred and fifty-one is_____
| A．5,515,151 | B．5,15`,151 | C．5,151,515 | D．5,551,155 |
----How was your interview last Monday?
-----_____/
| A．Not at all. | B．It was OK. | C．That’s right. | D．Good luck. |
---Why didn’t you arrive there until three days later?
----Beccause the heavy rain _____the diffculities of the jurney.
| A．added | B．added to | C．was added | D．was added to |
As soon as they arrived in the big city ,they found it difficult to find somewhere cheap__________
| A．to live | B．to live in | C．to live on | D．living |
There__________ great changes in our city in the past 10 years.
| A．were | B．had | C．have been | D．have had |