----Is this the first time you _____Chengdu ?
----No. But the first time I _____here, the city wasn't so beautiful.
| A．visited, came | B．visited, have come |
| C．have visited, have come | D．have visited, came |
It was almost midnight when a fire __________ in the neighborhood.
| A．blocked out |
| B．turned out |
| C．broke out |
| D．died out |
The talented young engineer who was skilled at designing aircraft died __________ his new project unfinished.
| A．of |
| B．with |
| C．from |
| D．for |
The noise of the traffic and people __________，as if someone had turned down the volume of the world.
| A．died out |
| B．came up |
| C．faded away |
| D．broke down |
With no more wood added to the fire, it finally died __________.
| A．away |
| B．down |
| C．out |
| D．off |
Wolves are very __________：they can live in forests, on open plains, or in the snows of the Arctic.
| A．adaptable |
| B．adoptable |
| C．available |
| D．accessible |