Only ____ as a volunteer ____ how important it is to grasp English.

-- It is fairly warm today. -- So _____ and so _______ yesterday.

Only in this way_______ finish the work ahead of time.

If you don’t go swimming this afternoon, she won’t go. _____.

 John opened the door. There _______ he had never seen before. 

—Did you see who the driver was?  —No, so quickly_________ that I couldn’t get a good look at his face. 

Only by imagining and creating ____the problem．

Not until I was standing on the edge of death ____ how much I wanted to live.

Out of the crowded bus             , who was dressed in a black suit and waved to a woman. 

_______, and problem will be settled.

 Our bad living habits will destroy the earth. Only by changing      we live        save the earth.

The most important thing ____ when ____an emergency is to stay calm.

_____ that air conditioners cause so much pollution, I would never have bought one.

No sooner _____ on the TV than I heard the news that the stampede in Cambodia’s capital, Phnom Penh, had left 375 victims dead．

Only when he is seriously ill ______ in hospital.

 _______________, we don’t have much spare time at the moment．

Not until recently _______ paid work outside the home.

---You forgot your pen when you went to have an exam.---My God, ____.

_______Chinese which city is famous for ice and snow, and the answer is sure to be Harbin.

－ What a great success the exhibition was last night !－_______ , especially it ______ those who have a preference for the beauty of nature .