His story is __________ his own experience when he was studying in Harvard University.
The selfless village doctor treated whoever came to his family without any .
____ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.
--Do remember to charge the battery for 12 hours when you first use it.--- ________.
We’d be very grateful if you could join us because your cooperation will _____ the timely completion of our project.
My mobile phone disappeared. Where _____ I have left it?