23. Was it near the white building, if I may ask, ____ Martin Luther King gave aspeech “I have a dream”?
_____ to sunlight for too much time will do harm to one's skin.
He got well-prepared for the job interview, for he couldn’t risk ____ the good opportunity.
Though _______money, his parents managed to send him to university.
The discovery of new evidence led to _________.
May I take this book out of the reading room? No, you . You read it in here.