It is so difficult a problem that _____ student in this class _____ work it out.
The sound of the music ____louder and louder as the band marched nearer to me.
The news was a terrible blow to her, but she will _____ the shock soon.
—Who did you stay with ? —_____________.
She is in a poor ________of health, which worries her mother much.
The Chinese are looking forward to the first_________to land on the moon after Yang Liwei’s successful trip to space.