The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
| A．the one | B．that | C．ones | D．those |
___ student gets the first place will get a beautiful present.
| A．Whoever | B．However | C．Whatever | D．Whichever |
Tomin the library every night over the last three months.
| A．works | B．worked | C．has been working | D．had been working |
More highways have been built in China, ___________it much easier for people to travel form one place to another.
| A．making | B．made | C．to make | D．having made |
_________ the meeting himself gave them a great deal of encouragement.
| A．The president will attend | B．The president to attend |
| C．The president attended | D．The president’s attending |
In the face of_____ failure, it is the most important to keep up___ good state of mind.
| A．/, a | B．a, / | C．the, / | D．/, the |