Not until ________a third time ________that he had given birth to the reading system for the blind called Braille.
| A．Louis Braille tried; he announced |
| B．did Louis Braille try; he announced |
| C．Louis Braille had tried; did he announce |
| D．had Louis Braille tried; had he announced |
____ aware of the danger ahead, he took on the task without hesitation.
| A．If | B．Though | C．Since | D．As |
--- I had a hard time _____ this novel.
--- I share your feeling. Who can remember the names of over 100 different characters?
| A．getting through | B．taking over | C．giving off | D．putting down |
The Japanese have ______ uneasy feeling about ________ increasing use of foreign words.
| A．an; a | B．the; the | C．an; the | D．the; a |
He asked where she ____, but she didn’t respond.
| A．had been | B．was | C．has been | D．is |
The teacher ___________his students to work hard.
| A．urged | B．suggested | C．demaded | D．couraged |