---Why didn’t you write？
---My ink has _______.
| A．used up | B．run out of | C．given away | D．run out |
The seller would sell the skirt for fifty dollars, but the customer only half the price.
| A．asked |
| B．charged |
| C．sold |
| D．offered |
It is much better to ask someone for advice rather than something.
| A．risk doing |
| B．risk to do |
| C．to risk doing |
| D．to risk to do |
The professor can hardly find sufficient grounds his argument in favor of the theory.
| A．which to base on |
| B．on which he bases |
| C．to base on which |
| D．which to be based |
—Sorry，my dog frightened your daughter.
—Forget it！________.
| A．She deserved it |
| B．Every dog has its day |
| C．Bad luck comes three |
| D．Animals will be animals |
The teacher stressed again that the students should not________any important details while retelling the story.
| A．bring out |
| B．let out |
| C．leave out |
| D．make out |