Reading without stop is a ______ piece of work.
| A．tire | B．tired | C．tiresome | D．troubled |
With consumers searching _______ ways to cut daily expenses, officials from the National Bureau of Statistics' economic monitoring center say there's no need _______.
| A．of; in panic | B．to; panic | C．for; to panic | D．in; panicked |
President Hu Jintao has met with _______ UN Secretary General Ban Ki-moon at the Great Hall of the People in Beijing. President Hu welcomed Ban's China _______ and his attendance at the Shanghai World Expo.
| A．visiting; visit | B．to visit; to visit | C．visited; visiting | D．visiting; visited |
Mass deaths of birds were not unheard of, but they normally happened unnoticed at sea or in rural areas away from towns. Many birds are weak and die in winter _______ food is scarce.
| A．which | B．what | C．when | D．how |
There was no sign _______ they had died from diseases such as bird flu - the main worry in such cases. Among the theories was _______ a truck had collided（碰撞）with the crowd.
| A．/; that | B．that; that | C．that; which | D．that; / |
Early this year, thousands of migrant _______ workers cancelled their insurance due to the lack of _______ policy to transfer insurance between difference regions.
| A．the; the | B．the; a | C．/; the | D．/; a |