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 |
相关试题
Although we had told them not to keep us waiting, they made no _________ to speed up deliveries.
| A．trial | B．attempt | C．action | D．progress |
It rained heavily in the south,serious flooding in several provinces.
| A．caused | B．having caused | C．causing | D．to cause |
Most people are _________ bringing down the price of housing because it’s too high for them.
| A．in honour of | B．in search of | C．in charge of | D．in favour of |
He wondered if he could slip out of the lecture hall without anyone .
| A．noticing | B．noticed | C．to notice | D．being noticed |
or a seat when，luckily，a man and left．相关知识点
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