—_____ do you go to the zoo with your brother? —Three times a month.
| A．How long | B．How often |
| C．How old | D．How much |
______, his leg got better and he could walk with a walking stick.
| A．Gradually | B．Unluckily |
| C．Wisely | D．Normally |
Tom is often made ______for twelve hours a day by the boss.
| A．work | B．working |
| C．to work | D．to be working |
—How long have you ______ the book ? — For a week.
| A．buy | B．bought | C．keep | D．kept |
She told me the earth ____ around the sun.
| A．travel | B．travelled |
| C．travels | D．to travel |
When you move somewhere new, the first thing for you is to find a place______.
| A．to live | B．living in |
| C．to live in | D．of live |