It is I____singing in the garden.
| A．who are | B．who is | C．that am | D．that is |
As we all know，__________ Siberian tiger is __________ endangered species.
| A．/；an |
| B．the; the |
| C．a; / |
| D．the; an |
I am __________ with living with a man of this kind.
| A．eat up |
| B．eaten up |
| C．feed up |
| D．fed up |
The poor child who lost his parents in an accident was __________ by a kind-hearted villager.
| A．put up |
| B．brought up |
| C．given up |
| D．taken up |
The present situation is very complex, so I think it will take me some time to __________ its reality.
| A．make up |
| B．figure out |
| C．look through |
| D．put off |
With the boy __________ the way, we had no difficulty in finding his house.
| A．to lead |
| B．leading |
| C．have led |
| D．led |