—Please say something about Zheng He.
—Oh! He is the Ming dynasty explorer of ______ all the Chinese are proud.
| A．who | B．whom | C．whose | D．that |
—Where is North Korea?
—It lies ______ the northeast of China.
| A．on | B．to | C．in | D．at |
The People’s Republic of China was ______ on October1st,1949.
| A．find | B．found | C．founded | D．founding |
—Can you work out this math problem?
—Yes. ______
| A．It’s a piece of cake. | B．Do please. |
| C．It’s too hard. | D．Well done! |
—Can I help you?
—Yes. I want two ______ eggs.
| A．dozen | B．dozens | C．dozens of | D．dozen of |