Sometimes he has some difficulty making decisions on his own,but ______he is independent of others.

Diaoyu Islands Issue is       about the islands----it refers to the invasion of China’s territorial sovereignty.(中国领土主权的侵犯)

 –It’s hard for me to go to sleep.–Try to ____ the amount of coffee you drink during the day.

--- Why did you call the police?--- I got home and found my house _____.

The numbers that researchers get from the experiments can be _______, just like number puzzles.