| To test _____ danger of not enough sleep caused by playing computer games, scientists did _____ experiment. |
A. a; / B. a; the C. the; an D. /; an |
| The young couple are trying to save as much as possible _____ they can afford a flat by the end of next year. |
A. so that B. even though C. in case D. as if |
| The largest ever _____ 16th Asian Games is _____ huge success and the best ever in history. |
A. the; / B. /; a C. the; a D. /; / |
| Hardly _____ to the airport _____ he was surrounded by many journalists and fans. |
A. the famous singer had got; when B. the famous singer got; then C. had the famous singer got; when D. did the famous singer get; then |
| Thanks to the measures _____ by the local government, the polluted river is becoming clearer and clearer and fish have begun to show up in it. |
A. taking B. taken C. to take D. having taken |
| So far this year we _____ a fall in house prices by between 5 percent and 10 percent. |
A. saw B. see C. had seen D. have seen |
| I was told that _____ 10:15 flight would take us to Shanghai in time to reach _____ Fudan University. |
A. the; / B. the; a C. a; the D. /; the |