(2004年北京市海淀区中考试题)
  You will stay healthy _______ you do more exercise, such as running and walking. 

(2004年江西省中考试题)
  ---Shall we go on working?
  ---Yes, _________ I prefer to have a rest.

(2004年徐州市中考试题)
  None of us knew what had happened _________  they told us about it.

(2004年泉州市中考试题)
  ---I hope you'll enjoy your trip, dear!
  ---Thank you, mum. I'll give you a call _________ I get there.

【2011全国卷II 19】It was a nice meal, _______a little expensive.

【2011北京卷 29】__________ volleyball is her main focus, she's also great at basketball.

【2011上海卷 36】If a lot of people say a film is not good, I won't bother to see it, or I'll wait ____ it comes out on DVD.

【2011上海卷 37】The police officers in our city work hard _____ the rest of us can live a safe life.

【2011江西卷 29】Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.

【2011浙江卷 4】One Friday, we were packing to leave for a weekend away ______my daughter heard cries for help.

【2011福建卷 33】It was April 29, 2001 ____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.

【2011四川卷 4】Frank insisted that he was not asleep _____ I had great difficulty in waking him up.

【2011四川卷 6】As it reported, it is 100 years _____________Qinghua University was founded.

【2011辽宁卷 29】He had no sooner finished his speech _____ the students started cheering.

【2011陕西卷 17】The new stadium being built for the next Asian Games will be ______the present one.   

【2011天津卷 5】____ regular exercise is very important, it's never a good idea to exercise too close to bedtime.

【2011陕西卷 19】__________all of them are strong candidates, only one will be chosen for the post. 

【2011山东卷 28】He had his camera ready _____ he saw something that would make a good picture.

【2011重庆卷 30】To show our respect, we usually have to take our gloves off ______ we are to shake hands with.

【2011湖南卷 33】Jack wasn't saying anything, but the teacher smiled at him _______he had done something very clever.