It was not until he became very ill ______ he went to see a doctor.
| A．what | B．that | C．when | D．then |
A strong earthquake struck Lushan county, a district of Yaan, ______ more than 100 people and ______ hundreds of others, local authorities said.
| A．killing; injured | B．killed; injuring |
| C．killing; injuring | D．kill; injure |
It remains doubtful ______ immediate measures could be taken to prevent underground water pollution.
| A．how | B．whether | C．that | D．where |
He was born on ______ winter morning in 2010, when ______most severe storm struck the city and caused hundreds of deaths.
| A．a; the | B．the; the | C．a; a | D．the; a |
---I will drive to the station to buy a ticket to Beijing for next Sunday.
---______? Actually you can order a ticket online.
| A．Why bother | B．What for | C．So what | D．Why not |
Having worked nonstop for three hours in the sun, John returned home, ______.
| A．tired and coldly | B．confused and drunk |
| C．full and sleepy | D．thirsty and hungry |