We ______very early so we packed the night before.
| A．leave | B．had left | C．were leaving | D．have left |
Younger adults who get either little sleep or a lot of it ________ see a greater expansion in their waistlines over time.
A. mayB. mustD. needD. shall
________ theme of the Shanghai Expo is “Better city, better life”. It will send _____ message to people around the world to care about the places where they live.
| A．/…a | B．the…a | C．a…the | D．/…the |
Toyota Motor President Akio Toyoda on Monday apologized to Chinese consumers , who ________ the world's biggest auto market , over the company's massive global recall.
| A．make up | B．bring up | C．put down | D．set down |
A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people.
| A．at | B．to | C．by | D．for |
Some people are worrying about the possibility ________ cellphones could be responsible for a range of illnesses, from rashes to brain tumors.
| A．that | B．why | C．how | D．whether |