It’s not polite to read through _________ letters.
| A．other | B．others | C．the other | D．others’ |
Barack Hussein Obama, the present president of the USA, ________ a naughty (调皮的) boy at school.
| A．was used to be | B．was used to being |
| C．used to be | D．used to being |
The boy is often made pictures for hours by his mother.
| A．to draw | B．to drawing |
| C．draw | D．drew |
For the present, I can’t afford ________ a car.
| A．to buy | B．buy | C．buying | D．for buying |
This road is about .
| A．twenty metres tall | B．twenty metres thick |
| C．twenty metres long | D．twenty metres wide |
Mary lost her bag school.
| A．on her way to | B．on her way |
| C．in her way to | D．in her way |