The price system is a complex network _______ the prices of all the products bought and sold in the economy as well as those of a great number of services.
| A．consisting of | B．consisted of | C．making up of | D．made up |
____, the airport is closed at the moment.
| A．Because of the weather is bad | B．Due to the bad weather |
| C．Because the weather bad | D．As the bad weather |
–How are you feeling about the story of a young lady’s being taken away by a UFO last week?
--We are very frightened—I ____bad dreams for weeks.
| A．have been dreaming | B．dreamt |
| C．was dreaming | D．have dreamed |
A teacher should have the ability to be ____ his or her class.
| A．in the charge of | B．in memory of |
| C．in control of | D．in favor of |
A year earlier, Amelia had become the first woman passenger ____ across the Atlantic.
| A．fly | B．flying | C．to fly | D．flown |
To his parents’ great joy, all their son’s years of hard work finally ____.
| A．set off | B．paid off | C．took off | D．got off |