“I heard they went skiing in the mountains last winter.” “It _________ true because there was little snow there.”
| A．may not be | B．won’t be | C．couldn’t be | D．mustn’t be |
One minute she burst into __________ and the next burst out __________.
We just couldn't catch her mood at any moment.
| A．crying; laughter |
| B．tears; laughing |
| C．tears; laughter |
| D．crying; laughing |
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 |