Yang Liwei showed the flags of China and the United Nations, ________ the wishes of Chinese people to use space peacefully.
He was allowed to go swimming _______ he kept near the other boys.
Since he often travels on business, he can ______ himself to sleeping in any place he can find.
_____ took me almost 20 years to have the courage to ask my father this personal question.
The children _____ more to her than anything else in the world.
When you feel you are happier and more relaxed after having a cigarette, you may become ________addicted.