David is________animal fur, so he won't visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
Of the two sisters, Betty is _____ one, and she is also the one who loves to be quiet.
| A．a younger | B．a youngest | C．the younger | D．the youngest |
The manager believes prices will not rise by more than ____ four percent.
| A．any other | B．the other | C．another | D．other |
Is this school _____ you visited last year?
| A．the one | B．that | C．which | D．one |
I would appreciate ____ if you could come and help me with my work.
| A．that | B．it | C．this | D．one |
With more forests being destroyed, huge quantities of good earth ____ each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |