My students asked me _____ I would go to Beijing by air the next year.
______ a little earlier, you could have caught the last bus.
You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.
Economic growth in the world remains weak throughout 2013 and it is hoped that it will___gradually in 2014.
The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
Organized volunteering and work experience has long been ___vital companion to___ university degree courses.