If we________ , we can realize the progress we have made in space research.
| A．turn back | B．look back | C．answer back | D．move back |
So extraordianry __________ that it left a deep impression on visitors.
| A．was the Shanghai 2010 Expo | B．the Shanghai 2010 Expo was |
| C．did the Shanghai 2010 Expo | D．the Shanghai 2010 Expo did |
The reason why I missed the party was that my car was _________ in the traffic jam.
| A．held up | B．hung up | C．broken up | D．kept up |
--- Did you see a man in black pass by just now ?
--- No, sir. I __________ a newspaper.
| A．read | B．was reading | C．would read | D．am reading |
My parents were against my travel plan while my brother was __________ it.
| A．in praise of | B．in honor of | C．in search of | D．in favor of |
The man remained __________ he was and waited for his wife who was shopping in the market.
| A．what | B．how | C．who | D．where |