---Have you called Mr Johnson’s office?---Yes. He ____back before tomorrow noon. So he can attend our meeting on time.
34.During the 2008 financial crisis,the French president Nicolas Sarkozy agreed to provide Millions of emergency fund aid to help______unemployment.
33.A big earthquake struck southern Haiti,knocking down buildings and power lines and causing__________ Its ambassador to the United States called a catastrophe.
32.Misunderstandings_____from lack of social communication,unless properly,may lead to serious problems.
30.They can’t afford to buy the latest equipment at present._______,they keep trying new ways to improve efficiency.
29.The young man,who by thenadmission to university,decided to do some part-time jobs to gain more practical experience.