.Influenza H1N1 is an illness that can result in death unless left_______in time.
| A．treat | B．to treat | C．treating | D．treated |
After I graduated from Fuzhou University, my parents encouraged me to be _____ and make a living on my own.
| A．independent | B．energetic | C．reliable | D．religious |
The new headmaster _____ at our party and sang us a song, which greatly added to our joy.
| A．put off | B．set off | C．turned up | D．broke up |
I _____ along the pavement yesterday when some stranger came up and asked me the way to the nearest hospital.
| A．am wandering | B．was wandering |
| C．has wandered | D．had wandered |
Zhang Heng, one of _____ best-known Chinese astronomers, showed a strong interest in _____ astronomy as a child.
| A．the; the | B．the; 不填 | C．不填; the | D．不填; 不填 |
Samuel was _____ why few of his friends attended his birthday party.
| A．spotted | B．crashed | C．puzzled | D．limited |