.When he was only thirty years old, he had already experienced ___________ most people only experience when they are much older.
Doing your homework is a sure way to improve yor test scores, and this is especially true ____ it comes to classroom tests.
I haven' t seen Mary these past few days. I m afraid she ____ herself for some time.
Not far from the club, there was a girden, ____ owner seated in it playing bridge with his children every afternoon.
____ the youth ____ the rising sun at 8 or 9 o'clock am, Mao Zedong expressed his great hope for the young men.
---Whose advice do you think I should take? ---_______.