Don’t turn off the computer before closing all programs，________you could have problems.
| A．or | B．and |
| C．but | D．so |
--The Chinese government is trying to protect the giant panda.
--I know. By 2020, they _________ about 69,500 square miles of land to the country’s nature reserve system.
| A．add | B．are adding |
| C．will add | D．will have added |
Fishing and seafood harvesting has been forbidden along the coast of Galicia, forcing many fishermen ______.
| A．out of order | B．out of touch |
| C．out of sight | D．out of work |
Countries in Southeast Asia have ________ become familiar with Chinese brands, but there is still a long way to go.
| A．actually | B．gradually |
| C．frequently | D．entirely |
German electronic products are popular in China, where they have the reputation(名声) of being ________ and of good quality.
| A．generous | B．stubborn |
| C．reliable | D．straight |
They offered a lot of useful information for your report; I can understand how ________ you must be feeling to them now.
| A．grateful | B．helpful |
| C．peaceful | D．hopeful |