We work together to achieve our common purpose： ________ world that is safer， cleaner and healthier than ________ one we are living in.

The people began to break the windows, but the police soon had the situation ________

An explosion hit the north of Pakistan________ March 16, 2016. More than 20 people ______________ in the accident.

（2014年北京市西城区高三5月二模试题）33Based on a true story, the film shows a hero racing ______ time to get back the stolen papers

John passed the examination though he had only spent _______ on the subject as others had done