Having got up late this morning, Mike ran as fast as he could _______ to catch the bus.
In order to improve English,________.
The global warming is more and more serious,for which human beings ________.
Taking this medicine,if________,will of course do good to his health.
________such a heavy loss,the businessman didn’t have the courage to go on.
I’ve worked with children before,so I knew what ________ in my new job.