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 |
Don’t be too general. Please give a ______suggestion on how to deal with this difficulty.
| A．concrete | B．abstract | C．complete | D．fragrant |
.---Which color do you prefer, red or black?
---Red. For red_____a sense of energy and strength.
| A．delivers | B．conveys | C．contributes | D．concentrates |
---Don’t climb the ladder. It’s broken.
---______
| A．Why not？ | B．Don’t mention it. | C．OK. Thank you. | D．So what? |
One you ____drugs, it’s hard to manage to get rid of them.
| A．get through | B．get off | C．get into | D．get down |
a nice man that we all believe him.
| A．Such; did he seem | B．So; did he seem |
| C．Such; he seethed | D．So; he seined |