It is said that the number of Chinese characters users can type on their mobile phones is ______ the total number of Chinese characters. The reason is that the character input systems are made by foreign cell phone producers. 
| A．25 percent as less as | B．less than 25 percent |
| C．25 percent much than | D．25percent as much |
_______ to settle into the new environment, he made every possible effort.
| A．Determining | B．To determine |
| C．Determined | D．Determine |
He made a perfect landing. _______, he landed safely and correctly.
| A．In another word | B．In a word |
| C．In so many words | D．In other words |
What a funny idea he _______!
| A．came up with | B．came up |
C．came down to | D．came down |
— What made you so upset?
— ______ the exam.
| A．Failing to pass | B．To fail passing |
| C．Failing passing | D．To fail to pass |
Lucy switched on the engine and the car _______ in a cloud of dust.
| A．set out | B．set about | C．set off | D．set down |