You can either have the double room or the family room,________ you want.
| A．whichever | B．whatever | C．whenever | D．however |
They reached __________ company out of __________ breath only to be told they were fired.
| A．a; / |
| B．the; the |
| C．a; the |
| D．the; / |
Leaders should be careful not to act beyond their __________ and do things against the law.
| A．power |
| B．violence |
| C．competition |
| D．solution |
About 270 million people in rural areas in China have no __________ to safe drinking water.
| A．entrance |
| B．access |
| C．solution |
| D．sources |
The flu is believed __________ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．to be caused |
| B．to have caused |
| C．being caused |
| D．causing |
There were violent winds of 120 kilometers per hour or more in a hurricane，__________ huge waves, heavy rain and floods.
| A．causing |
| B．to cause |
| C．caused |
| D．having caused |