Dr Yuan Longping grows _____ is called super hybrid rice, _____ has a high output.
| A．what; which | B．that; what |
| C．that; which | D．what; that |
Sarah made _____ to the airport just in time to catch her plane this morning.
| A．herself |
| B．this |
| C．that |
| D．it |
This is the first time that I to Beijing.
| A．was |
| B．had been |
| C．am |
| D．have been |
The girl was working hard. She hoped to finish cleaning the house _____ her mother came back home.
| A．before |
| B．till |
| C．after |
| D．since |
The reporter decided to make a interview with the sportsman who won the first gold.
| A．face-to-face |
| B．face to face |
| C．face-in-face |
| D．face in face |
Iraq has _____ too many wars since 1990s, making his people a lot.
| A．got through; pay |
| B．looked through; face |
| C．gone through; suffer |
| D．passed through; destroy |