It is generally considered that air pollution is ______ danger to ______ nature.
| A．/; a | B．/; the | C．/; / | D．a; / |
相关试题
You have made a few grammar mistakes in your composition but ____ you have done well.
A． first of all |
B．all in all | C．on the other hand | D．in other words |
. I’d appreciate_______if you would like to teach me how to use the computer.
| A．/ | B．this | C．it | D．that |
The world will be different, and we will have to be prepared to ________ the change.
| A．adapt to | B．adopt to | C．apply to | D．devote to |
. Who would you rather with you, Tom or Henry?
| A．have go | B．have to go | C．love to go | D．like to go |
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