The doctor did what they could _____ the dying man.
| A．save | B．to save | C．saved | D．saving |
It’s difficult to find a time that________everybody．
| A．suits |
| B．fit |
| C．suit |
| D．fits |
I’d like to visit the places________the weather is always warm．
| A．who |
| B．which |
| C．that |
| D．where |
My mother________the room when I arrived home．
| A．cleaned |
| B．is cleaning |
| C．cleans |
| D．was cleaning |
She closed the gate to prevent the dog________going out of the garden．
| A．at |
| B．on |
| C．of |
| D．from |
It is one of________buildings in our country．
| A．tall |
| B．taller |
| C．tallest |
| D．the tallest |