The dog is very ___, and it can work out the problem____.
| A．smart; easy | B．smart; easily | C．smartly; easily | D．smartly; easily |
These are bedrooms.
| A．Mary and Betty | B．Mary and Betty’s |
| C．Mary’s and Betty | D．Mary’s and Betty’s. |
–Can you see the bird in the tree ? - .
| A．Yes, I can’t. | B．I can’t. |
| C．No, I can | D．I’m sorry, I can’t. |
- is your father ? - He’ s forty .
| A．What | B．Who | C．How old | D．Where |
They are my .
| A．mother | B．father | C．parent | D．parents |
My father’s is my aunt .
| A．son | B．daughter | C．sister | D．brother |