25. Thirty years ago this month,China's leaders launched an economic revolution.___________the door to free market reforms and foreign trade.
It snowed for days on end. We thought it would never come to end!
—Would you like to go out for a walk ?— .
It is a tradition for the Chinese to ______ about the bush, which sometimes makes foreigners puzzle or misunderstand what you are saying.
It is normal for kids to feel anxious and not to be able to ______ their studies just before a quiz or an examination. Parents should try their best to help them relax within their power.
Friendship can’t be ________in terms of money but money is an effective means to ______ how strong the friendship is.