________ industry, Zhang repeatedly urged the adjustment and optimization of the industrial structure, improvement of product quality and enhancement of industrial competitiveness.
.The United States signed up Friday for the 2010 Shanghai World Expo,_______it the last major country to join the event.
.In this experiment, they are wakened several times during the night and asked to report what they__________.
--I hear Michael is in hospital. ----Oh, really? I____know. I______go and visit him.
Children find_____difficult to sit for hours with little to do while flying.
---Must I see a doctor right now? ----No, you______see a doctor for the time being.